[gnome-calculator] Update Slovak translation

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

commit 4dd402300707a4c1e4da4675044a0dc60b5102a8
Author: Dušan Kazik <prescott66 gmail com>
Date:   Thu Oct 1 09:17:13 2020 +0000

    Update Slovak translation
    
    (cherry picked from commit 877faf67c04f488e318697896de437e14c478a05)

 po/sk.po | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)
---
diff --git a/po/sk.po b/po/sk.po
index 0203a7b9..747b571a 100644
--- a/po/sk.po
+++ b/po/sk.po
@@ -12,8 +12,8 @@ msgstr ""
 "Project-Id-Version: gcalctool master\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gnome-calculator/";
 "issues\n"
-"POT-Creation-Date: 2020-06-06 07:27+0000\n"
-"PO-Revision-Date: 2020-09-03 14:40+0200\n"
+"POT-Creation-Date: 2020-09-24 06:02+0000\n"
+"PO-Revision-Date: 2020-10-01 11:16+0200\n"
 "Last-Translator: Dušan Kazik <prescott66 gmail com>\n"
 "Language-Team: Slovak <gnome-sk-list gnome org>\n"
 "Language: sk\n"
@@ -619,10 +619,8 @@ msgstr "Inverzný kosínus nie je definovaný pre hodnoty mimo interval [-1, 1]"
 
 #. Translators: Error displayed when trying to calculate undefined atan(i) or atan (-i)
 #: lib/number.vala:725
-#, fuzzy
-#| msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgid "Arctangent function is undefined for values i and -i"
-msgstr "Inverzný kosínus nie je definovaný pre hodnoty mimo interval [-1, 1]"
+msgstr "Funkcia arkustangens nie je definovaná hodnotami i a -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is undefined
 #: lib/number.vala:775
@@ -797,11 +795,10 @@ msgstr "au"
 
 #: lib/unit.vala:46
 msgid "Rack Units"
-msgstr ""
+msgstr "Rackové jednotky"
 
 #: lib/unit.vala:46
 #, c-format
-#| msgid "%s"
 msgctxt "unit-format"
 msgid "%sU"
 msgstr "%sU"
@@ -1032,8 +1029,6 @@ msgid "%s km/h"
 msgstr "%s km/h"
 
 #: lib/unit.vala:61
-#| msgctxt "unit-symbols"
-#| msgid "kilometer,kilometers,km,kms"
 msgctxt "unit-symbols"
 msgid "kilometers per hour,kmph,kmh"
 msgstr "kilometre za hodinu,kmph,kmh"