calculator clarification

["Ravinandan Arakali" <ravinandan arakali wipro com>]

Hi,
I was looking at the changes made recently to gcalc application
to make it accessible, where the GtkDrawingArea was replaced by
GtkEntry and tooltips were provided for buttons.
I have a question regarding this.
Was there a specific reason not to provide tooltips for the buttons
representing the numbers 0 to 9 and the math symbol "e" ? Is it
necessary to provide tooltips for these too, such as "Seven" for the digit
7.

Thanks,
Ravinandan

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