[gnome-calculator/gnome-41] Update Italian translation

[Translations User D-L <translations src gnome org>]

commit 5c9869a58cbdb8bcf63311180314ced446ef4435
Author: Gianvito Cavasoli <gianvito gmx it>
Date:   Sun Jan 23 13:35:23 2022 +0000

    Update Italian translation

 po/it.po | 788 +++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 388 insertions(+), 400 deletions(-)
---
diff --git a/po/it.po b/po/it.po
index 1f2897f0..1fe8f4d6 100644
--- a/po/it.po
+++ b/po/it.po
@@ -15,8 +15,8 @@ msgstr ""
 "Project-Id-Version: gcaltool\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gnome-calculator/";
 "issues\n"
-"POT-Creation-Date: 2021-02-01 07:42+0000\n"
-"PO-Revision-Date: 2021-03-17 11:21+0100\n"
+"POT-Creation-Date: 2021-09-19 10:45+0000\n"
+"PO-Revision-Date: 2021-11-19 11:08+0100\n"
 "Last-Translator: Gianvito Cavasoli <gianvito gmx it>\n"
 "Language-Team: Italian <gnome-it-list gnome org>\n"
 "Language: it\n"
@@ -24,7 +24,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1)\n"
-"X-Generator: Gtranslator 3.38.0\n"
+"X-Generator: Gtranslator 40.0\n"
 
 #: data/org.gnome.Calculator.appdata.xml.in:7
 msgid "GNOME Calculator"
@@ -96,13 +96,13 @@ msgstr "Calcolatrice GNOME in modalità finanziaria"
 msgid "GNOME Calculator in Programming Mode"
 msgstr "Calcolatrice GNOME in modalità programmazione"
 
-#: data/org.gnome.Calculator.appdata.xml.in:59
+#: data/org.gnome.Calculator.appdata.xml.in:67
 msgid "The GNOME Project"
 msgstr "Il progetto GNOME"
 
 #. Program name in the about dialog
 #: data/org.gnome.Calculator.desktop.in:3 src/gnome-calculator.vala:81
-#: src/gnome-calculator.vala:337 src/ui/math-window.ui:108
+#: src/gnome-calculator.vala:350 src/ui/math-window.ui:108
 msgid "Calculator"
 msgstr "Calcolatrice"
 
@@ -177,8 +177,13 @@ msgid "Currency update interval"
 msgstr "Intervallo di aggiornamento valuta"
 
 #: data/org.gnome.calculator.gschema.xml:63
-msgid "How often the currency exchange rates should be updated"
-msgstr "Quanto spesso aggiornare il tasso di cambio"
+msgid ""
+"How often the currency exchange rates should be updated. A value of 0 means "
+"the currency exchange rates won't be fetched from the network at all."
+msgstr ""
+"Quante volte gli attuali cambio di tassi della valuta devono essere "
+"aggiornati. Un valore di 0 significa che gli attuali tassi di cambio di "
+"valuta non devono essere recuperati dalla rete."
 
 #: data/org.gnome.calculator.gschema.xml:67
 msgid "Button mode"
@@ -236,253 +241,252 @@ msgstr "Posizione della finestra"
 msgid "Window position (x and y) of the last closed window."
 msgstr "Posizione dell'ultima finestra chiusa (x e y)."
 
-#: lib/currency.vala:41
+#: lib/currency.vala:55
 msgid "UAE Dirham"
 msgstr "Dirham degli Emirati Arabi Uniti"
 
-#: lib/currency.vala:42
+#: lib/currency.vala:56
 msgid "Australian Dollar"
 msgstr "Dollaro australiano"
 
-#: lib/currency.vala:43
+#: lib/currency.vala:57
 msgid "Bangladeshi Taka"
 msgstr "Taka bangladese"
 
-#: lib/currency.vala:44
+#: lib/currency.vala:58
 msgid "Bulgarian Lev"
 msgstr "Lev bulgaro"
 
-#: lib/currency.vala:45
+#: lib/currency.vala:59
 msgid "Bahraini Dinar"
 msgstr "Dinar del Bahrain"
 
-#: lib/currency.vala:46
+#: lib/currency.vala:60
 msgid "Brunei Dollar"
 msgstr "Dollaro del Brunei"
 
-#: lib/currency.vala:47
+#: lib/currency.vala:61
 msgid "Brazilian Real"
 msgstr "Real brasiliano"
 
-#: lib/currency.vala:48
+#: lib/currency.vala:62
 msgid "Botswana Pula"
 msgstr "Pula del Botswana"
 
-#: lib/currency.vala:49
+#: lib/currency.vala:63
 msgid "Canadian Dollar"
 msgstr "Dollaro canadese"
 
-#: lib/currency.vala:50
+#: lib/currency.vala:64
 msgid "CFA Franc"
 msgstr "Franco CFA"
 
-#: lib/currency.vala:51
+#: lib/currency.vala:65
 msgid "Swiss Franc"
 msgstr "Franco svizzero"
 
-#: lib/currency.vala:52
+#: lib/currency.vala:66
 msgid "Chilean Peso"
 msgstr "Peso cileno"
 
-#: lib/currency.vala:53
+#: lib/currency.vala:67
 msgid "Chinese Yuan"
 msgstr "Yuan cinese"
 
-#: lib/currency.vala:54
+#: lib/currency.vala:68
 msgid "Colombian Peso"
 msgstr "Peso colombiano"
 
-#: lib/currency.vala:55
+#: lib/currency.vala:69
 msgid "Czech Koruna"
 msgstr "Corona ceca"
 
-#: lib/currency.vala:56
+#: lib/currency.vala:70
 msgid "Danish Krone"
 msgstr "Corona danese"
 
-#: lib/currency.vala:57
+#: lib/currency.vala:71
 msgid "Algerian Dinar"
 msgstr "Dinar algerino"
 
-#: lib/currency.vala:58
+#: lib/currency.vala:72
 msgid "Estonian Kroon"
 msgstr "Corona estone"
 
-#: lib/currency.vala:59
+#: lib/currency.vala:73
 msgid "Euro"
 msgstr "Euro"
 
-#: lib/currency.vala:60
+#: lib/currency.vala:74
 msgid "British Pound Sterling"
 msgstr "Sterlina britannica"
 
-#: lib/currency.vala:61
+#: lib/currency.vala:75
 msgid "Hong Kong Dollar"
 msgstr "Dollaro di Hong Kong"
 
-#: lib/currency.vala:62
+#: lib/currency.vala:76
 msgid "Croatian Kuna"
 msgstr "Kuna croata"
 
-#: lib/currency.vala:63
+#: lib/currency.vala:77
 msgid "Hungarian Forint"
 msgstr "Fiorino ungherese"
 
-#: lib/currency.vala:64
+#: lib/currency.vala:78
 msgid "Indonesian Rupiah"
 msgstr "Rupia indonesiana"
 
-#: lib/currency.vala:65
+#: lib/currency.vala:79
 msgid "Israeli New Shekel"
 msgstr "Nuovo siclo israeliano"
 
-#: lib/currency.vala:66
+#: lib/currency.vala:80
 msgid "Indian Rupee"
 msgstr "Rupia indiana"
 
-#: lib/currency.vala:67
+#: lib/currency.vala:81
 msgid "Iranian Rial"
 msgstr "Rial iraniano"
 
-#: lib/currency.vala:68
+#: lib/currency.vala:82
 msgid "Icelandic Krona"
 msgstr "Corona islandese"
 
-#: lib/currency.vala:69
+#: lib/currency.vala:83
 msgid "Japanese Yen"
 msgstr "Yen giapponese"
 
-#: lib/currency.vala:70
+#: lib/currency.vala:84
 msgid "South Korean Won"
 msgstr "Won sudcoreano"
 
-#: lib/currency.vala:71
+#: lib/currency.vala:85
 msgid "Kuwaiti Dinar"
 msgstr "Dinar kuwaitiano"
 
-#: lib/currency.vala:72
+#: lib/currency.vala:86
 msgid "Kazakhstani Tenge"
 msgstr "Tenge kazako"
 
-#: lib/currency.vala:73
+#: lib/currency.vala:87
 msgid "Sri Lankan Rupee"
 msgstr "Rupia dello Sri Lanka"
 
-#: lib/currency.vala:74
+#: lib/currency.vala:88
 msgid "Libyan Dinar"
 msgstr "Dinar libico"
 
-#: lib/currency.vala:75
+#: lib/currency.vala:89
 msgid "Mauritian Rupee"
 msgstr "Rupia mauritana"
 
-#: lib/currency.vala:76
+#: lib/currency.vala:90
 msgid "Mexican Peso"
 msgstr "Peso messicano"
 
-#: lib/currency.vala:77
+#: lib/currency.vala:91
 msgid "Malaysian Ringgit"
 msgstr "Ringgit malese"
 
-#: lib/currency.vala:78
+#: lib/currency.vala:92
 msgid "Norwegian Krone"
 msgstr "Corona norvegese"
 
-#: lib/currency.vala:79
+#: lib/currency.vala:93
 msgid "Nepalese Rupee"
 msgstr "Rupia nepalese"
 
-#: lib/currency.vala:80
+#: lib/currency.vala:94
 msgid "New Zealand Dollar"
 msgstr "Dollaro neozelandese"
 
-#: lib/currency.vala:81
+#: lib/currency.vala:95
 msgid "Omani Rial"
 msgstr "Rial dell'Oman"
 
-#: lib/currency.vala:82
+#: lib/currency.vala:96
 msgid "Peruvian Nuevo Sol"
 msgstr "Nuevo sol peruviano"
 
-#: lib/currency.vala:83
+#: lib/currency.vala:97
 msgid "Philippine Peso"
 msgstr "Peso filippino"
 
-#: lib/currency.vala:84
+#: lib/currency.vala:98
 msgid "Pakistani Rupee"
 msgstr "Rupia pakistana"
 
-#: lib/currency.vala:85
+#: lib/currency.vala:99
 msgid "Polish Zloty"
 msgstr "Zloty polacco"
 
-#: lib/currency.vala:86
+#: lib/currency.vala:100
 msgid "Qatari Riyal"
 msgstr "Rial del Qatar"
 
-#: lib/currency.vala:87
+#: lib/currency.vala:101
 msgid "New Romanian Leu"
 msgstr "Nuovo leu rumeno"
 
-#: lib/currency.vala:88
+#: lib/currency.vala:102
 msgid "Russian Rouble"
 msgstr "Rublo russo"
 
-#: lib/currency.vala:89
+#: lib/currency.vala:103
 msgid "Saudi Riyal"
 msgstr "Rial saudita"
 
-#: lib/currency.vala:90
-#| msgid "Algerian Dinar"
+#: lib/currency.vala:104
 msgid "Serbian Dinar"
 msgstr "Dinar serbo"
 
-#: lib/currency.vala:91
+#: lib/currency.vala:105
 msgid "Swedish Krona"
 msgstr "Corona svedese"
 
-#: lib/currency.vala:92
+#: lib/currency.vala:106
 msgid "Singapore Dollar"
 msgstr "Dollaro di Singapore"
 
-#: lib/currency.vala:93
+#: lib/currency.vala:107
 msgid "Thai Baht"
 msgstr "Baht thailandese"
 
-#: lib/currency.vala:94
+#: lib/currency.vala:108
 msgid "Tunisian Dinar"
 msgstr "Dinar tunisino"
 
-#: lib/currency.vala:95
+#: lib/currency.vala:109
 msgid "Turkish Lira"
 msgstr "Lira turca"
 
-#: lib/currency.vala:96
+#: lib/currency.vala:110
 msgid "T&T Dollar (TTD)"
 msgstr "Dollaro di Trinidad e Tobago (TTD)"
 
-#: lib/currency.vala:97
+#: lib/currency.vala:111
 msgid "US Dollar"
 msgstr "Dollaro americano"
 
-#: lib/currency.vala:98
+#: lib/currency.vala:112
 msgid "Uruguayan Peso"
 msgstr "Peso uruguaiano"
 
-#: lib/currency.vala:99
+#: lib/currency.vala:113
 msgid "Venezuelan Bolívar"
 msgstr "Bolìvar venezuelano"
 
-#: lib/currency.vala:100
+#: lib/currency.vala:114
 msgid "South African Rand"
 msgstr "Rand sudafricano"
 
 #. Translators: conversion keyword, used e.g. 1 EUR in USD, 1 EUR to USD
-#: lib/equation-lexer.vala:721 src/math-converter.vala:249
+#: lib/equation-lexer.vala:734 src/math-converter.vala:270
 msgid "in"
 msgstr "in"
 
-#: lib/equation-lexer.vala:721
+#: lib/equation-lexer.vala:734
 msgid "to"
 msgstr "in"
 
@@ -514,55 +518,55 @@ msgid "No sane value to store"
 msgstr "Nessun valore corretto da memorizzare"
 
 #. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
-#: lib/math-equation.vala:1040
+#: lib/math-equation.vala:1038
 msgid "Overflow. Try a bigger word size"
 msgstr "Overflow. Provare una dimensione maggiore per la word"
 
 #. Error displayed to user when they an unknown variable is entered
-#: lib/math-equation.vala:1045
+#: lib/math-equation.vala:1043
 #, c-format
 msgid "Unknown variable “%s”"
 msgstr "Variabile «%s» sconosciuta"
 
 #. Error displayed to user when an unknown function is entered
-#: lib/math-equation.vala:1052
+#: lib/math-equation.vala:1050
 #, c-format
 msgid "Function “%s” is not defined"
 msgstr "La funzione «%s» non è definita"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: lib/math-equation.vala:1059
+#: lib/math-equation.vala:1057
 msgid "Unknown conversion"
 msgstr "Conversione sconosciuta"
 
 #. should always be run
-#: lib/math-equation.vala:1069
+#: lib/math-equation.vala:1067
 #, c-format
 msgid "%s"
 msgstr "%s"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: lib/math-equation.vala:1074 lib/math-equation.vala:1079
+#: lib/math-equation.vala:1072 lib/math-equation.vala:1077
 msgid "Malformed expression"
 msgstr "Espressione malformata"
 
-#: lib/math-equation.vala:1090
+#: lib/math-equation.vala:1088
 msgid "Calculating"
 msgstr "Calcolo"
 
 #. Error displayed when trying to factorize a non-integer value
-#: lib/math-equation.vala:1283
+#: lib/math-equation.vala:1281
 msgid "Need an integer to factorize"
 msgstr "Per fattorizzare è necessario un numero intero"
 
 #. This message is displayed in the status bar when a bit shift operation is performed and the display does 
not contain a number
-#: lib/math-equation.vala:1347
+#: lib/math-equation.vala:1345
 msgid "No sane value to bitwise shift"
 msgstr "Nessun valore corretto per eseguire lo shift bit a bit"
 
 #. Message displayed when cannot toggle bit in display
-#: lib/math-equation.vala:1369
+#: lib/math-equation.vala:1367
 msgid "Displayed value not an integer"
 msgstr "Il valore visualizzato non è un intero"
 
@@ -717,7 +721,7 @@ msgid "Digital Storage"
 msgstr "Archivio digitale"
 
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
-#: lib/unit.vala:41 src/ui/math-preferences.ui:182
+#: lib/unit.vala:41 src/math-preferences.vala:20
 msgid "Degrees"
 msgstr "Gradi"
 
@@ -732,7 +736,7 @@ msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grado,gradi,deg"
 
-#: lib/unit.vala:42 src/ui/math-preferences.ui:181
+#: lib/unit.vala:42 src/math-preferences.vala:19
 msgid "Radians"
 msgstr "Radianti"
 
@@ -747,7 +751,7 @@ msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiante,radianti,rad"
 
-#: lib/unit.vala:43 src/ui/math-preferences.ui:183
+#: lib/unit.vala:43 src/math-preferences.vala:21
 msgid "Gradians"
 msgstr "Gradienti"
 
@@ -1043,8 +1047,6 @@ msgid "%s km/h"
 msgstr "%s km/h"
 
 #: lib/unit.vala:62
-#| msgctxt "unit-symbols"
-#| msgid "kilometers per hour,kmph,kmh"
 msgctxt "unit-symbols"
 msgid "kilometers per hour,kmph,kmh,kph"
 msgstr "chilometri all'ora,km/h,kmph,kmh,kph"
@@ -1060,8 +1062,6 @@ msgid "%s miles/h"
 msgstr "%s mi/h"
 
 #: lib/unit.vala:63
-#| msgctxt "unit-symbols"
-#| msgid "milesph,miles per hour,mi/h,miph"
 msgctxt "unit-symbols"
 msgid "milesph,miles per hour,mi/h,miph,mph"
 msgstr "migliapo,miglia all'ora,mi/h,miph,mph"
@@ -1082,21 +1082,16 @@ msgid "meters per second,mps"
 msgstr "metri al secondo,m/s"
 
 #: lib/unit.vala:65
-#| msgid "Feets per second"
 msgid "Feet per second"
 msgstr "Piede al secondo"
 
 #: lib/unit.vala:65
 #, c-format
-#| msgctxt "unit-format"
-#| msgid "%s feets/s"
 msgctxt "unit-format"
 msgid "%s feet/s"
 msgstr "%s feet/s"
 
 #: lib/unit.vala:65
-#| msgctxt "unit-symbols"
-#| msgid "fps,feets per second,feetsps"
 msgctxt "unit-symbols"
 msgid "fps,feet per second,feetps"
 msgstr "pps,piede al secondo,piedeps"
@@ -1281,8 +1276,6 @@ msgstr "Tazze metriche"
 
 #: lib/unit.vala:78
 #, c-format
-#| msgctxt "unit-format"
-#| msgid "%s cb"
 msgctxt "unit-format"
 msgid "%s cup"
 msgstr "%s tazza"
@@ -1363,8 +1356,6 @@ msgid "%s lb"
 msgstr "%s lb"
 
 #: lib/unit.vala:83
-#| msgctxt "unit-symbols"
-#| msgid "pound,pounds,lb"
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb,lbs"
 msgstr "libbra,libbre,lb,lbs"
@@ -1415,7 +1406,6 @@ msgid "stone,st,stones"
 msgstr "stone,st,stones,pietra,pietre"
 
 #: lib/unit.vala:87
-#| msgid "Centimeters"
 msgid "Centuries"
 msgstr "Secoli"
 
@@ -1436,8 +1426,6 @@ msgstr "Decadi"
 
 #: lib/unit.vala:88
 #, c-format
-#| msgctxt "unit-format"
-#| msgid "%s days"
 msgctxt "unit-format"
 msgid "%s decades"
 msgstr "%s decadi"
@@ -2173,21 +2161,20 @@ msgid "hertz,Hz"
 msgstr "hertz,Hz"
 
 #: lib/unit.vala:140
-#| msgid "Kilometers"
 msgid "Kilohertz"
 msgstr "Chilohertz"
 
 #: lib/unit.vala:140
 #, c-format
-#| msgctxt "unit-format"
-#| msgid "%s km"
 msgctxt "unit-format"
 msgid "%s kHz"
 msgstr "%s kHz"
 
 #: lib/unit.vala:140
+#| msgctxt "unit-symbols"
+#| msgid "kilohertz,kHZ"
 msgctxt "unit-symbols"
-msgid "kilohertz,kHZ"
+msgid "kilohertz,kHz"
 msgstr "chilohertz,kHz"
 
 #: lib/unit.vala:141
@@ -2196,8 +2183,6 @@ msgstr "Megahertz"
 
 #: lib/unit.vala:141
 #, c-format
-#| msgctxt "unit-format"
-#| msgid "%s Mb"
 msgctxt "unit-format"
 msgid "%s MHz"
 msgstr "%s MHz"
@@ -2213,8 +2198,6 @@ msgstr "Gigahertz"
 
 #: lib/unit.vala:142
 #, c-format
-#| msgctxt "unit-format"
-#| msgid "%s Gb"
 msgctxt "unit-format"
 msgid "%s GHz"
 msgstr "%s GHz"
@@ -2230,8 +2213,6 @@ msgstr "Terahertz"
 
 #: lib/unit.vala:143
 #, c-format
-#| msgctxt "unit-format"
-#| msgid "%s T"
 msgctxt "unit-format"
 msgid "%s THz"
 msgstr "%s THz"
@@ -2259,235 +2240,229 @@ msgstr "Copia"
 msgid "Copy result to clipboard"
 msgstr "Copia il risultato negli appunti"
 
-#: src/ui/buttons-advanced.ui:17 src/ui/buttons-programming.ui:2232
-msgid "Inverse [Ctrl+I]"
-msgstr "Inverso [Ctrl+I]"
-
-#. Accessible name for the inverse button
-#: src/ui/buttons-advanced.ui:22 src/ui/buttons-programming.ui:2237
-msgid "Inverse"
-msgstr "Inverso"
-
-#: src/ui/buttons-advanced.ui:47 src/ui/buttons-programming.ui:1343
-msgid "Factorize [Ctrl+F]"
-msgstr "Fattorizza [Ctrl+F]"
-
-#. Accessible name for the factorize button
-#: src/ui/buttons-advanced.ui:51 src/ui/buttons-programming.ui:1347
-msgid "Factorize"
-msgstr "Fattorizza"
-
-#: src/ui/buttons-advanced.ui:66 src/ui/buttons-programming.ui:2205
-msgid "Factorial [!]"
-msgstr "Fattoriale [!]"
-
-#. Accessible name for the factorial button
-#: src/ui/buttons-advanced.ui:71 src/ui/buttons-programming.ui:2210
-msgid "Factorial"
-msgstr "Fattoriale"
-
-#: src/ui/buttons-advanced.ui:95
-msgid "Imaginary Component"
-msgstr "Parte immaginaria"
+#: src/ui/buttons-advanced.ui:143 src/ui/buttons-basic.ui:143
+#: src/ui/buttons-financial.ui:1979 src/ui/buttons-programming.ui:1899
+msgid "Modulus divide"
+msgstr "Divisione modulo"
 
-#: src/ui/buttons-advanced.ui:247 src/ui/buttons-basic.ui:130
-#: src/ui/buttons-financial.ui:2037 src/ui/buttons-programming.ui:1466
+#: src/ui/buttons-advanced.ui:163 src/ui/buttons-basic.ui:163
+#: src/ui/buttons-financial.ui:1999 src/ui/buttons-programming.ui:1441
 msgid "Divide [/]"
 msgstr "Divisione [/]"
 
-#: src/ui/buttons-advanced.ui:359 src/ui/buttons-basic.ui:258
-#: src/ui/buttons-financial.ui:2165 src/ui/buttons-programming.ui:1503
+#: src/ui/buttons-advanced.ui:277 src/ui/buttons-basic.ui:277
+#: src/ui/buttons-financial.ui:2113 src/ui/buttons-programming.ui:1461
 msgid "Multiply [*]"
 msgstr "Moltiplicazione [*]"
 
-#: src/ui/buttons-advanced.ui:376 src/ui/buttons-basic.ui:275
-#: src/ui/buttons-financial.ui:2182 src/ui/buttons-programming.ui:1520
+#: src/ui/buttons-advanced.ui:297 src/ui/buttons-basic.ui:297
+#: src/ui/buttons-financial.ui:2133 src/ui/buttons-programming.ui:1481
 msgid "Subtract [-]"
 msgstr "Sottrazione [-]"
 
-#: src/ui/buttons-advanced.ui:392 src/ui/buttons-basic.ui:291
-#: src/ui/buttons-financial.ui:2198 src/ui/buttons-programming.ui:1536
+#: src/ui/buttons-advanced.ui:316 src/ui/buttons-basic.ui:316
+#: src/ui/buttons-financial.ui:2152 src/ui/buttons-programming.ui:1500
 msgid "Add [+]"
 msgstr "Addizione [+]"
 
+#: src/ui/buttons-advanced.ui:335 src/ui/buttons-basic.ui:335
+#: src/ui/buttons-programming.ui:1415
+msgid "Pi [Ctrl+P]"
+msgstr "Pi greco [Ctrl+P]"
+
+#: src/ui/buttons-advanced.ui:362 src/ui/buttons-basic.ui:362
+#: src/ui/buttons-financial.ui:2172 src/ui/buttons-programming.ui:1396
+msgid "Root [Ctrl+R]"
+msgstr "Radice [Ctrl+R]"
+
+#: src/ui/buttons-advanced.ui:380 src/ui/buttons-basic.ui:380
+msgid "Square [Ctrl+2]"
+msgstr "Quadrato [Ctrl+2]"
+
+#. Accessible name for the exponentiation (x to the power of y) button
+#: src/ui/buttons-advanced.ui:384 src/ui/buttons-advanced.ui:761
+#: src/ui/buttons-basic.ui:384 src/ui/buttons-financial.ui:2301
+#: src/ui/buttons-programming.ui:2242
+msgid "Exponent"
+msgstr "Esponente"
+
+#: src/ui/buttons-advanced.ui:410 src/ui/buttons-basic.ui:410
+#: src/ui/buttons-financial.ui:2191 src/ui/buttons-programming.ui:1539
+msgid "Clear Display [Escape]"
+msgstr "Pulisce il display [Esc]"
+
+#: src/ui/buttons-advanced.ui:437 src/ui/buttons-basic.ui:437
+#: src/ui/buttons-financial.ui:2218 src/ui/buttons-programming.ui:1918
+msgid "Start Group [(]"
+msgstr "Inizio gruppo [(]"
+
+#: src/ui/buttons-advanced.ui:457 src/ui/buttons-basic.ui:457
+#: src/ui/buttons-financial.ui:2238 src/ui/buttons-programming.ui:1937
+msgid "End Group [)]"
+msgstr "Fine gruppo [)]"
+
+#: src/ui/buttons-advanced.ui:477 src/ui/buttons-basic.ui:477
+#: src/ui/buttons-financial.ui:2258
+msgid "Percentage [%]"
+msgstr "Percentuale [%]"
+
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: src/ui/buttons-advanced.ui:403 src/ui/buttons-basic.ui:302
-#: src/ui/buttons-financial.ui:2209 src/ui/buttons-programming.ui:1547
+#: src/ui/buttons-advanced.ui:491 src/ui/buttons-basic.ui:491
+#: src/ui/buttons-financial.ui:2272 src/ui/buttons-programming.ui:1514
 msgid "="
 msgstr "="
 
-#: src/ui/buttons-advanced.ui:409 src/ui/buttons-basic.ui:308
-#: src/ui/buttons-financial.ui:2215 src/ui/buttons-programming.ui:1553
+#: src/ui/buttons-advanced.ui:497 src/ui/buttons-basic.ui:497
+#: src/ui/buttons-financial.ui:2278 src/ui/buttons-programming.ui:1520
 msgid "Calculate Result"
 msgstr "Calcola il risultato"
 
-#: src/ui/buttons-advanced.ui:427 src/ui/buttons-basic.ui:361
-#: src/ui/buttons-financial.ui:2268 src/ui/buttons-programming.ui:1571
-msgid "Clear Display [Escape]"
-msgstr "Pulisce il display [Esc]"
-
-#: src/ui/buttons-advanced.ui:441 src/ui/buttons-programming.ui:1871
+#: src/ui/buttons-advanced.ui:528 src/ui/buttons-programming.ui:1967
 msgid "Subscript mode [Alt]"
 msgstr "Modalità pedice [Alt]"
 
 #. Accessible name for the subscript mode button
-#: src/ui/buttons-advanced.ui:446 src/ui/buttons-programming.ui:1876
+#: src/ui/buttons-advanced.ui:533 src/ui/buttons-programming.ui:1972
 msgid "Subscript"
 msgstr "Pedice"
 
-#: src/ui/buttons-advanced.ui:468 src/ui/buttons-programming.ui:1898
+#: src/ui/buttons-advanced.ui:558 src/ui/buttons-programming.ui:1997
 msgid "Superscript mode [Ctrl]"
 msgstr "Modalità apice [Ctrl]"
 
 #. Accessible name for the superscript mode button
-#: src/ui/buttons-advanced.ui:473 src/ui/buttons-programming.ui:1903
+#: src/ui/buttons-advanced.ui:563 src/ui/buttons-programming.ui:2002
 msgid "Superscript"
 msgstr "Apice"
 
-#: src/ui/buttons-advanced.ui:495
+#: src/ui/buttons-advanced.ui:590 src/ui/buttons-programming.ui:2440
+msgid "Factorize [Ctrl+F]"
+msgstr "Fattorizza [Ctrl+F]"
+
+#. Accessible name for the factorize button
+#: src/ui/buttons-advanced.ui:594 src/ui/buttons-programming.ui:2444
+msgid "Factorize"
+msgstr "Fattorizza"
+
+#: src/ui/buttons-advanced.ui:613
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Esponente in notazione scientifica [Ctrl+E]"
 
 #. Accessible name for the scientific exponent button
-#: src/ui/buttons-advanced.ui:499
+#: src/ui/buttons-advanced.ui:617
 msgid "Scientific Exponent"
 msgstr "Esponente in notazione scientifica"
 
-#: src/ui/buttons-advanced.ui:522 src/ui/buttons-programming.ui:2036
-msgid "Modulus divide"
-msgstr "Divisione modulo"
+#: src/ui/buttons-advanced.ui:643
+msgid "Cosine"
+msgstr "Coseno"
 
-#: src/ui/buttons-advanced.ui:538 src/ui/buttons-basic.ui:328
-#: src/ui/buttons-financial.ui:2235 src/ui/buttons-programming.ui:2053
-msgid "Start Group [(]"
-msgstr "Inizio gruppo [(]"
+#: src/ui/buttons-advanced.ui:662
+msgid "Sine"
+msgstr "Seno"
 
-#: src/ui/buttons-advanced.ui:555 src/ui/buttons-basic.ui:345
-#: src/ui/buttons-financial.ui:2252 src/ui/buttons-programming.ui:2069
-msgid "End Group [)]"
-msgstr "Fine gruppo [)]"
+#: src/ui/buttons-advanced.ui:681
+msgid "Tangent"
+msgstr "Tangente"
 
-#. Accessible name for the memory button
-#. Accessible name for the memory value button
-#: src/ui/buttons-advanced.ui:570 src/ui/buttons-advanced.ui:573
-#: src/ui/buttons-financial.ui:1854 src/ui/buttons-financial.ui:1857
-#: src/ui/buttons-programming.ui:1941
-msgid "Memory"
-msgstr "Memoria"
+#: src/ui/buttons-advanced.ui:700
+msgid "Hyperbolic Cosine"
+msgstr "Coseno iperbolico"
 
-#. The label on the memory button
-#: src/ui/buttons-advanced.ui:582 src/ui/buttons-financial.ui:1869
-#: src/ui/buttons-programming.ui:1954
-msgid "x"
-msgstr "x"
+#: src/ui/buttons-advanced.ui:719
+msgid "Hyperbolic Sine"
+msgstr "Seno iperbolico"
 
-#: src/ui/buttons-advanced.ui:617 src/ui/buttons-programming.ui:1380
-msgid "Absolute Value [|]"
-msgstr "Valore assoluto [|]"
+#: src/ui/buttons-advanced.ui:738
+msgid "Hyperbolic Tangent"
+msgstr "Tangente iperbolica"
 
-#. Accessible name for the absolute value button
-#: src/ui/buttons-advanced.ui:622 src/ui/buttons-programming.ui:1385
-msgid "Absolute Value"
-msgstr "Valore assoluto"
+#: src/ui/buttons-advanced.ui:756 src/ui/buttons-financial.ui:2296
+#: src/ui/buttons-programming.ui:2237
+msgid "Exponent [^ or **]"
+msgstr "Esponente [^ oppure **]"
 
-#: src/ui/buttons-advanced.ui:646
-msgid "Real Component"
-msgstr "Parte reale"
+#: src/ui/buttons-advanced.ui:786 src/ui/buttons-programming.ui:2267
+msgid "Inverse [Ctrl+I]"
+msgstr "Inverso [Ctrl+I]"
 
-#: src/ui/buttons-advanced.ui:663
-msgid "Complex conjugate"
-msgstr "Complesso coniugato"
+#. Accessible name for the inverse button
+#: src/ui/buttons-advanced.ui:791 src/ui/buttons-programming.ui:2272
+msgid "Inverse"
+msgstr "Inverso"
 
-# attenzione: complex argument è 𝜃 nella espressione 𝜌e^(i𝜃)
-#: src/ui/buttons-advanced.ui:680
-msgid "Complex argument"
-msgstr "Fase"
+#: src/ui/buttons-advanced.ui:818
+msgid "Euler’s Number"
+msgstr "Numero di Eulero"
 
-#: src/ui/buttons-advanced.ui:697
+#: src/ui/buttons-advanced.ui:845
 msgid "Natural Logarithm"
 msgstr "Logaritmo naturale"
 
-#: src/ui/buttons-advanced.ui:713 src/ui/buttons-financial.ui:1908
-#: src/ui/buttons-programming.ui:1326
+#: src/ui/buttons-advanced.ui:864 src/ui/buttons-financial.ui:2327
+#: src/ui/buttons-programming.ui:2299
 msgid "Logarithm"
 msgstr "Logaritmo"
 
-#: src/ui/buttons-advanced.ui:728 src/ui/buttons-financial.ui:2470
-#: src/ui/buttons-programming.ui:2260
-msgid "Exponent [^ or **]"
-msgstr "Esponente [^ oppure **]"
-
-#. Accessible name for the exponentiation (x to the power of y) button
-#: src/ui/buttons-advanced.ui:733 src/ui/buttons-basic.ui:396
-#: src/ui/buttons-financial.ui:2475 src/ui/buttons-programming.ui:2265
-msgid "Exponent"
-msgstr "Esponente"
-
-#: src/ui/buttons-advanced.ui:757 src/ui/buttons-financial.ui:2499
-#: src/ui/buttons-programming.ui:1310
-msgid "Root [Ctrl+R]"
-msgstr "Radice [Ctrl+R]"
+#: src/ui/buttons-advanced.ui:882 src/ui/buttons-programming.ui:2337
+msgid "Factorial [!]"
+msgstr "Fattoriale [!]"
 
-#: src/ui/buttons-advanced.ui:773 src/ui/buttons-basic.ui:419
-#: src/ui/buttons-financial.ui:2450
-msgid "Undo [Ctrl+Z]"
-msgstr "Annulla [Ctrl+Z]"
+#. Accessible name for the factorial button
+#: src/ui/buttons-advanced.ui:887 src/ui/buttons-programming.ui:2342
+msgid "Factorial"
+msgstr "Fattoriale"
 
-#: src/ui/buttons-advanced.ui:793 src/ui/buttons-programming.ui:1408
-msgid "Pi [Ctrl+P]"
-msgstr "Pi greco [Ctrl+P]"
+#: src/ui/buttons-advanced.ui:913 src/ui/buttons-programming.ui:2368
+msgid "Absolute Value [|]"
+msgstr "Valore assoluto [|]"
 
-#: src/ui/buttons-advanced.ui:816
-msgid "Euler’s Number"
-msgstr "Numero di Eulero"
+#. Accessible name for the absolute value button
+#: src/ui/buttons-advanced.ui:918 src/ui/buttons-programming.ui:2373
+msgid "Absolute Value"
+msgstr "Valore assoluto"
 
-#: src/ui/buttons-advanced.ui:846
-msgid "Cosine"
-msgstr "Coseno"
+#: src/ui/buttons-advanced.ui:970
+msgid "Real Component"
+msgstr "Parte reale"
 
-#: src/ui/buttons-advanced.ui:861
-msgid "Sine"
-msgstr "Seno"
+#: src/ui/buttons-advanced.ui:990
+msgid "Imaginary Component"
+msgstr "Parte immaginaria"
 
-#: src/ui/buttons-advanced.ui:876
-msgid "Tangent"
-msgstr "Tangente"
+#: src/ui/buttons-advanced.ui:1010
+msgid "Complex conjugate"
+msgstr "Complesso coniugato"
 
-#: src/ui/buttons-advanced.ui:891
-msgid "Hyperbolic Sine"
-msgstr "Seno iperbolico"
+# attenzione: complex argument è 𝜃 nella espressione 𝜌e^(i𝜃)
+#: src/ui/buttons-advanced.ui:1030
+msgid "Complex argument"
+msgstr "Fase"
 
-#: src/ui/buttons-advanced.ui:907
-msgid "Hyperbolic Cosine"
-msgstr "Coseno iperbolico"
+#. Accessible name for the memory button
+#: src/ui/buttons-advanced.ui:1048 src/ui/buttons-advanced.ui:1051
+#: src/ui/buttons-financial.ui:2358 src/ui/buttons-financial.ui:2361
+#: src/ui/buttons-programming.ui:2486
+msgid "Memory"
+msgstr "Memoria"
 
-#: src/ui/buttons-advanced.ui:923
-msgid "Hyperbolic Tangent"
-msgstr "Tangente iperbolica"
+#. The label on the memory button
+#: src/ui/buttons-advanced.ui:1060 src/ui/buttons-financial.ui:2370
+#: src/ui/buttons-programming.ui:2499
+msgid "x"
+msgstr "x"
 
-#: src/ui/buttons-advanced.ui:946
+#: src/ui/buttons-advanced.ui:1097
 msgid "Additional Functions"
 msgstr "Funzioni agguntive"
 
 #. Accessible name for the store value button
-#: src/ui/buttons-advanced.ui:949 src/ui/buttons-programming.ui:1944
+#: src/ui/buttons-advanced.ui:1100 src/ui/buttons-programming.ui:2489
 msgid "Store"
 msgstr "Memorizza"
 
-#: src/ui/buttons-basic.ui:222 src/ui/buttons-financial.ui:2129
-msgid "Percentage [%]"
-msgstr "Percentuale [%]"
-
-#: src/ui/buttons-basic.ui:377
-msgid "Square root [Ctrl+R]"
-msgstr "Radice quadrata [Ctrl+R]"
-
-#: src/ui/buttons-basic.ui:392
-msgid "Square [Ctrl+2]"
-msgstr "Quadrato [Ctrl+2]"
-
 #. Title of Compounding Term dialog
-#: src/ui/buttons-financial.ui:8 src/ui/buttons-financial.ui:2284
+#: src/ui/buttons-financial.ui:8 src/ui/buttons-financial.ui:2409
 msgid "Compounding Term"
 msgstr "Tempo di raggiungimento del montante"
 
@@ -2496,7 +2471,7 @@ msgstr "Tempo di raggiungimento del montante"
 #: src/ui/buttons-financial.ui:723 src/ui/buttons-financial.ui:907
 #: src/ui/buttons-financial.ui:1091 src/ui/buttons-financial.ui:1275
 #: src/ui/buttons-financial.ui:1459 src/ui/buttons-financial.ui:1674
-#: src/ui/buttons-programming.ui:2422
+#: src/ui/buttons-programming.ui:2644
 msgid "_Cancel"
 msgstr "A_nnulla"
 
@@ -2587,7 +2562,7 @@ msgid "_Period:"
 msgstr "_Periodo:"
 
 #. Title of Future Value dialog
-#: src/ui/buttons-financial.ui:374 src/ui/buttons-financial.ui:2316
+#: src/ui/buttons-financial.ui:374 src/ui/buttons-financial.ui:2447
 msgid "Future Value"
 msgstr "Montante"
 
@@ -2617,7 +2592,7 @@ msgid "_Number of Periods:"
 msgstr "_Numero di periodi:"
 
 #. Title of Gross Profit Margin dialog
-#: src/ui/buttons-financial.ui:557 src/ui/buttons-financial.ui:2434
+#: src/ui/buttons-financial.ui:557 src/ui/buttons-financial.ui:2586
 msgid "Gross Profit Margin"
 msgstr "Margine di contribuzione lordo"
 
@@ -2636,7 +2611,7 @@ msgid "_Margin:"
 msgstr "_Margine:"
 
 #. Title of Periodic Payment dialog
-#: src/ui/buttons-financial.ui:709 src/ui/buttons-financial.ui:2417
+#: src/ui/buttons-financial.ui:709 src/ui/buttons-financial.ui:2566
 msgid "Periodic Payment"
 msgstr "Rata"
 
@@ -2661,7 +2636,7 @@ msgid "_Term:"
 msgstr "Dura_ta:"
 
 #. Title of Present Value dialog
-#: src/ui/buttons-financial.ui:893 src/ui/buttons-financial.ui:2400
+#: src/ui/buttons-financial.ui:893 src/ui/buttons-financial.ui:2546
 msgid "Present Value"
 msgstr "Valore attuale"
 
@@ -2677,7 +2652,7 @@ msgstr ""
 "totale espressa in numero dei periodi di pagamento nei termini. "
 
 #. Title of Periodic Interest Rate dialog
-#: src/ui/buttons-financial.ui:1077 src/ui/buttons-financial.ui:2383
+#: src/ui/buttons-financial.ui:1077 src/ui/buttons-financial.ui:2526
 msgid "Periodic Interest Rate"
 msgstr "Tasso di interesse sul periodo"
 
@@ -2767,160 +2742,158 @@ msgstr ""
 "tasso di interesse periodico."
 
 #. Calculates the number of compounding periods necessary to increase an investment of present value pv to a 
future value of fv, at a fixed interest rate of int per compounding period. See also: 
http://en.wikipedia.org/wiki/Compound_interest
-#: src/ui/buttons-financial.ui:2278
+#: src/ui/buttons-financial.ui:2403
 msgid "Ctrm"
 msgstr "Ctrm"
 
 #. Calculates the depreciation allowance on an asset for a specified period of time, using the 
double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
-#: src/ui/buttons-financial.ui:2294
+#: src/ui/buttons-financial.ui:2422
 msgid "Ddb"
 msgstr "Ddb"
 
-#: src/ui/buttons-financial.ui:2300
+#: src/ui/buttons-financial.ui:2428
 msgid "Double Declining Depreciation"
 msgstr "Ammortamento a dimezzamento annuale"
 
 #. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at 
a periodic interest rate of int, over the number of payment periods in the term. See also: 
http://en.wikipedia.org/wiki/Future_value
-#: src/ui/buttons-financial.ui:2310
+#: src/ui/buttons-financial.ui:2441
 msgid "Fv"
 msgstr "Fv"
 
 #. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to 
accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See 
also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: src/ui/buttons-financial.ui:2326
+#: src/ui/buttons-financial.ui:2460
 msgid "Term"
 msgstr "Termine"
 
-#: src/ui/buttons-financial.ui:2332
+#: src/ui/buttons-financial.ui:2466
 msgid "Financial Term"
 msgstr "Termine finanziario"
 
 #. Calculates the depreciation allowance on an asset for a specified period of time, using the 
Sum-Of-The-Years’-Digits method. This method of depreciation accelerates the rate of depreciation, so that 
more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - 
salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See 
also: http://en.wikipedia.org/wiki/Depreciation
-#: src/ui/buttons-financial.ui:2343
+#: src/ui/buttons-financial.ui:2480
 msgid "Syd"
 msgstr "Syd"
 
-#: src/ui/buttons-financial.ui:2349
+#: src/ui/buttons-financial.ui:2486
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Ammortamento basato sulle cifre dell'anno"
 
 #. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - 
salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of 
an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See 
also: http://en.wikipedia.org/wiki/Depreciation
-#: src/ui/buttons-financial.ui:2360
+#: src/ui/buttons-financial.ui:2500
 msgid "Sln"
 msgstr "Sln"
 
-#: src/ui/buttons-financial.ui:2366
+#: src/ui/buttons-financial.ui:2506
 msgid "Straight Line Depreciation"
 msgstr "Ammortamento lineare"
 
 #. Calculates the periodic interest necessary to increase an investment of present value pv to a future 
value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: src/ui/buttons-financial.ui:2377
+#: src/ui/buttons-financial.ui:2520
 msgid "Rate"
 msgstr "Tasso"
 
 #. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, 
discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: 
http://en.wikipedia.org/wiki/Present_value
-#: src/ui/buttons-financial.ui:2394
+#: src/ui/buttons-financial.ui:2540
 msgid "Pv"
 msgstr "Pv"
 
 #. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each 
payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
-#: src/ui/buttons-financial.ui:2411
+#: src/ui/buttons-financial.ui:2560
 msgid "Pmt"
 msgstr "Pmt"
 
 #. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. 
See also: http://en.wikipedia.org/wiki/Gross_profit_margin
-#: src/ui/buttons-financial.ui:2428
+#: src/ui/buttons-financial.ui:2580
 msgid "Gpm"
 msgstr "Mlp"
 
-#: src/ui/buttons-programming.ui:17
+#: src/ui/buttons-programming.ui:19
 msgid "Binary"
 msgstr "Binario"
 
-#: src/ui/buttons-programming.ui:18
+#: src/ui/buttons-programming.ui:20
 msgid "Octal"
 msgstr "Ottale"
 
-#: src/ui/buttons-programming.ui:19
+#: src/ui/buttons-programming.ui:21
 msgid "Decimal"
 msgstr "Decimale"
 
-#: src/ui/buttons-programming.ui:20
+#: src/ui/buttons-programming.ui:22
 msgid "Hexadecimal"
 msgstr "Esadecimale"
 
-#: src/ui/buttons-programming.ui:1364
-msgid "Binary Logarithm"
-msgstr "Logaritmo binario"
-
-#: src/ui/buttons-programming.ui:1432
-msgid "Integer Component"
-msgstr "Parte intera"
+#. Accessible name for the shift left button
+#: src/ui/buttons-programming.ui:2026 src/ui/buttons-programming.ui:2029
+msgid "Shift Left"
+msgstr "Shift a sinistra"
 
-#: src/ui/buttons-programming.ui:1449
-msgid "Fractional Component"
-msgstr "Parte frazionaria"
+#. Accessible name for the shift right button
+#: src/ui/buttons-programming.ui:2072 src/ui/buttons-programming.ui:2075
+msgid "Shift Right"
+msgstr "Shift a destra"
 
-#: src/ui/buttons-programming.ui:1985
+#: src/ui/buttons-programming.ui:2120
 msgid "Boolean Exclusive OR"
 msgstr "OR esclusivo booleano"
 
-#: src/ui/buttons-programming.ui:2002
+#: src/ui/buttons-programming.ui:2139
 msgid "Boolean OR"
 msgstr "OR booleano"
 
-#: src/ui/buttons-programming.ui:2019
+#: src/ui/buttons-programming.ui:2159
 msgid "Boolean AND"
 msgstr "AND booleano"
 
-#. Accessible name for the shift left button
-#: src/ui/buttons-programming.ui:2083 src/ui/buttons-programming.ui:2086
-msgid "Shift Left"
-msgstr "Shift a sinistra"
+#: src/ui/buttons-programming.ui:2179
+msgid "Boolean NOT"
+msgstr "NOT booleano"
 
-#. Accessible name for the shift right button
-#: src/ui/buttons-programming.ui:2126 src/ui/buttons-programming.ui:2129
-msgid "Shift Right"
-msgstr "Shift a destra"
+#: src/ui/buttons-programming.ui:2199
+msgid "Ones’ Complement"
+msgstr "Complemento a uno"
+
+#: src/ui/buttons-programming.ui:2219
+msgid "Two’s Complement"
+msgstr "Complemento a due"
+
+#: src/ui/buttons-programming.ui:2319
+msgid "Binary Logarithm"
+msgstr "Logaritmo binario"
+
+#: src/ui/buttons-programming.ui:2400
+msgid "Integer Component"
+msgstr "Parte intera"
+
+#: src/ui/buttons-programming.ui:2420
+msgid "Fractional Component"
+msgstr "Parte frazionaria"
 
 #. Title of insert character code dialog
-#: src/ui/buttons-programming.ui:2170 src/ui/buttons-programming.ui:2375
+#: src/ui/buttons-programming.ui:2463 src/ui/buttons-programming.ui:2597
 msgid "Insert Character Code"
 msgstr "Inserisci codice del carattere"
 
 #. Accessible name for the insert character button
-#: src/ui/buttons-programming.ui:2174
+#: src/ui/buttons-programming.ui:2467
 msgid "Insert Character"
 msgstr "Inserisci carattere"
 
-#: src/ui/buttons-programming.ui:2190
-msgid "Boolean NOT"
-msgstr "NOT booleano"
-
-#: src/ui/buttons-programming.ui:2289
-msgid "Ones’ Complement"
-msgstr "Complemento a uno"
-
-#: src/ui/buttons-programming.ui:2306
-msgid "Two’s Complement"
-msgstr "Complemento a due"
-
-#: src/ui/buttons-programming.ui:2321
-#| msgid "Word size"
+#: src/ui/buttons-programming.ui:2533
 msgid "Change word size"
 msgstr "Modifica la dimensione della word"
 
-#: src/ui/buttons-programming.ui:2355
-#| msgid "Word size"
+#: src/ui/buttons-programming.ui:2567
 msgid "Word Size"
 msgstr "Dimensione della word"
 
 #. Insert ASCII dialog: Label before character entry
-#: src/ui/buttons-programming.ui:2388
+#: src/ui/buttons-programming.ui:2610
 msgid "Ch_aracter:"
 msgstr "C_arattere:"
 
 #. Insert ASCII dialog: Button to insert selected character
-#: src/ui/buttons-programming.ui:2437
+#: src/ui/buttons-programming.ui:2659
 msgid "_Insert"
 msgstr "_Inserisci"
 
@@ -2944,12 +2917,12 @@ msgid "Show release version"
 msgstr "Mostra la versione del rilascio"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/gnome-calculator.vala:301
+#: src/gnome-calculator.vala:314
 msgid "Unable to open help file"
 msgstr "Impossibile aprire il file della guida"
 
 #. The translator credits. Please translate this with your name (s).
-#: src/gnome-calculator.vala:332
+#: src/gnome-calculator.vala:345
 msgid "translator-credits"
 msgstr ""
 "Claudio Arseni <claudio arseni ubuntu com>\n"
@@ -2959,56 +2932,56 @@ msgstr ""
 "Davide Falanga <davide falanga alice it>\n"
 "Sergio Zanchetta <primes2h ubuntu com>"
 
-#: src/gnome-calculator.vala:338 src/ui/math-window.ui:101
+#: src/gnome-calculator.vala:351 src/ui/math-window.ui:101
 msgid "About Calculator"
 msgstr "Informazioni su Calcolatrice"
 
 #. Short description in the about dialog
-#: src/gnome-calculator.vala:347
+#: src/gnome-calculator.vala:360
 msgid "Calculator with financial and scientific modes."
 msgstr "Calcolatrice con modalità finanziaria e scientifica."
 
-#: src/gnome-calculator.vala:362
+#: src/gnome-calculator.vala:375
 msgid "Are you sure you want to close all open windows?"
 msgstr "Chiudere veramente tutte le finestre aperte?"
 
-#: src/gnome-calculator.vala:363
+#: src/gnome-calculator.vala:376
 msgid "Close _All"
 msgstr "_Chiudi tutte"
 
-#: src/math-buttons.vala:210 src/math-buttons.vala:493
-#: src/math-buttons.vala:508
+#: src/math-buttons.vala:223 src/math-buttons.vala:581
+#: src/math-buttons.vala:596
 #, c-format
 msgid "%d-bit"
 msgid_plural "%d-bit"
 msgstr[0] "%d-bit"
 msgstr[1] "%d-bit"
 
-#: src/math-buttons.vala:478
+#: src/math-buttons.vala:566
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d posto"
 msgstr[1] "%d posti"
 
-#: src/ui/math-converter.ui:16
-msgid "Switch conversion units"
-msgstr "Inverte l'unità di conversione"
-
-#: src/ui/math-converter.ui:29
+#: src/ui/math-converter.ui:36
 msgid " to "
 msgstr " in "
 
-#: src/ui/math-converter.ui:113
+#: src/ui/math-converter.ui:66
+msgid "Switch conversion units"
+msgstr "Inverte l'unità di conversione"
+
+#: src/ui/math-converter.ui:112
 msgctxt "convertion equals label"
 msgid "="
 msgstr "="
 
-#: src/math-display.vala:549
+#: src/math-display.vala:564
 msgid "Defined Functions"
 msgstr "Funzioni definite"
 
-#: src/math-display.vala:606
+#: src/math-display.vala:621
 msgid "Defined Variables"
 msgstr "Variabili definite"
 
@@ -3020,69 +2993,65 @@ msgstr "Nuova funzione"
 msgid "Select no. of arguments"
 msgstr "Seleziona numero degli argomenti"
 
-#: src/ui/math-preferences.ui:21 src/ui/math-window.ui:89
-msgid "Preferences"
-msgstr "Preferenze"
-
-#: src/ui/math-preferences.ui:63
-msgid "Number of _decimals"
-msgstr "Numero di _decimali"
-
-#: src/ui/math-preferences.ui:77
-msgid "Trailing _zeroes"
-msgstr "_Zero decimali"
-
-#: src/ui/math-preferences.ui:90
-msgid "_Thousands separators"
-msgstr "Separatore delle _migliaia"
-
-#: src/ui/math-preferences.ui:104
-msgid "_Angle units"
-msgstr "Unità _angolari"
-
-#: src/ui/math-preferences.ui:118
-msgid "Word _size"
-msgstr "Dimensione della word"
-
-#: src/ui/math-preferences.ui:132
-msgid "E_xchange rate refresh interval"
-msgstr "In_tervallo aggiornamento tasso di cambio"
-
-#. Word size combo: 8 bit
-#: src/ui/math-preferences.ui:196
+#. Translators: Word size combo: 8 bit
+#: src/math-preferences.vala:26
 msgid "8-bit"
 msgstr "8-bit"
 
-#. Word size combo: 16 bit
-#: src/ui/math-preferences.ui:197
+#. Translators: Word size combo: 16 bit
+#: src/math-preferences.vala:28
 msgid "16-bit"
 msgstr "16-bit"
 
-#. Word size combo: 32 bit
-#: src/ui/math-preferences.ui:198
+#. Translators: Word size combo: 32 bit
+#: src/math-preferences.vala:30
 msgid "32-bit"
 msgstr "32-bit"
 
-#. Word size combo: 64 bit
-#: src/ui/math-preferences.ui:199
+#. Translators: Word size combo: 64 bit
+#: src/math-preferences.vala:32
 msgid "64-bit"
 msgstr "64-bit"
 
-#. Refresh interval combo: never
-#: src/ui/math-preferences.ui:212
+#. Translators: Refresh interval combo: never
+#: src/math-preferences.vala:37
 msgid "never"
 msgstr "mai"
 
-#. Refresh interval combo: daily
-#: src/ui/math-preferences.ui:213
+#. Translators: Refresh interval combo: daily
+#: src/math-preferences.vala:39
 msgid "daily"
 msgstr "ogni giorno"
 
-#. Refresh interval combo: weekly
-#: src/ui/math-preferences.ui:214
+#. Translators: Refresh interval combo: weekly
+#: src/math-preferences.vala:41
 msgid "weekly"
 msgstr "ogni settimana"
 
+#: src/ui/math-preferences.ui:22
+msgid "Number of _decimals"
+msgstr "Numero di _decimali"
+
+#: src/ui/math-preferences.ui:40
+msgid "Trailing _zeroes"
+msgstr "_Zero decimali"
+
+#: src/ui/math-preferences.ui:55
+msgid "_Thousands separators"
+msgstr "Separatore delle _migliaia"
+
+#: src/ui/math-preferences.ui:70
+msgid "_Angle units"
+msgstr "Unità _angolari"
+
+#: src/ui/math-preferences.ui:77
+msgid "Word _size"
+msgstr "Dimensione della word"
+
+#: src/ui/math-preferences.ui:84
+msgid "E_xchange rate refresh interval"
+msgstr "In_tervallo aggiornamento tasso di cambio"
+
 #: src/ui/math-shortcuts.ui:15
 msgctxt "shortcut window"
 msgid "General"
@@ -3262,24 +3231,29 @@ msgid "Store value into existing or new variable"
 msgstr "Memorizza il valore in una variabile nuova o esistente"
 
 #: src/ui/math-window.ui:20 src/math-window.vala:90
-msgid "Basic Mode"
-msgstr "Modalità base"
+#| msgid "Basic Mode"
+msgid "Basic"
+msgstr "Base"
 
 #: src/ui/math-window.ui:25 src/math-window.vala:95
-msgid "Advanced Mode"
-msgstr "Modalità avanzata"
+#| msgid "Advanced Mode"
+msgid "Advanced"
+msgstr "Avanzata"
 
 #: src/ui/math-window.ui:30 src/math-window.vala:100
-msgid "Financial Mode"
-msgstr "Modalità finanziaria"
+#| msgid "Financial Term"
+msgid "Financial"
+msgstr "Finanziaria"
 
 #: src/ui/math-window.ui:35 src/math-window.vala:105
-msgid "Programming Mode"
-msgstr "Modalità programmazione"
+#| msgid "Programming Mode"
+msgid "Programming"
+msgstr "Programmazione"
 
 #: src/ui/math-window.ui:40 src/math-window.vala:110
-msgid "Keyboard Mode"
-msgstr "Modalità tastiera"
+#| msgid "Keyboard Mode"
+msgid "Keyboard"
+msgstr "Tastiera"
 
 #: src/ui/math-window.ui:49
 msgid "_New Window"
@@ -3305,6 +3279,10 @@ msgstr "_Scientifico"
 msgid "_Engineering"
 msgstr "_Ingegneristico"
 
+#: src/ui/math-window.ui:89
+msgid "Preferences"
+msgstr "Preferenze"
+
 #: src/ui/math-window.ui:93
 msgid "Keyboard Shortcuts"
 msgstr "Scorciatoie da tastiera"
@@ -3313,14 +3291,24 @@ msgstr "Scorciatoie da tastiera"
 msgid "_Help"
 msgstr "A_iuto"
 
-#: src/ui/math-window.ui:131
+#: src/ui/math-window.ui:132
 msgid "Mode selection"
 msgstr "Selezione della modalità"
 
-#: src/ui/math-window.ui:178
+#: src/ui/math-window.ui:179
+#| msgctxt "shortcut window"
+#| msgid "Undo"
+msgid "Undo"
+msgstr "Annulla"
+
+#: src/ui/math-window.ui:180
+msgid "Undo [Ctrl+Z]"
+msgstr "Annulla [Ctrl+Z]"
+
+#: src/ui/math-window.ui:196
 msgid "Primary menu"
 msgstr "Menù primario"
 
-#: src/math-window.vala:136
+#: src/math-window.vala:138
 msgid "_Quit"
 msgstr "_Esci"