in reply to Numeric entry Tk widget with up/down buttons, does it exist?
It exists (the basics are the basics), see spin.pl, Spinbox Demonstration listed in widget under Entries and Spin-boxes as 4. Spin-boxes.
$ perl -MTk -le " print Tk->findINC(q,demos/widget_lib/spin.pl,) "
C:/perl/site/5.14.1/lib/MSWin32-x86-multi-thread/Tk/demos/widget_lib/spin.pl
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