advice sought for program with GUI

[mick crane <mick.crane@gmail.com>]

hello,
I'm not very good at this stuff, have remembered bits here and there.
Memory seems no so good these days.
I've done pieces of simple calculations on 2D images in the past but 
when I go back and look at them think " now what does that do and what 
did I type to make it work".
I'm thinking that if I do something now I should make a little GUI with 
buttons to click on that are self explanatory.
I know nothing about that.
Is that Gtk or ncurses or something ?
pointers to what's needed appreciated.

cheers
mick

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