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# Hahaha
This answer FTW.

I remember an 80's calculator I had. It was the cheaper version with no memory keys. When I took it apart it had all the circuitry, contacts etc. for the memory keys, so when I cut holes in it and pressed them with a pen, I had a more expensive calculator! Huzzah!
(, Tue 15 May 2007, 11:30, archived)
# You maybe could have got parts from another otherwise
broken calculator and cleverly shaped them to the new holes. Imagine your popularity in after school maths club! And chess club maybe...
(, Tue 15 May 2007, 11:33, archived)
# Nah.
Too much effort. This was while calculators were still quite expensive. I shouldn't have been taking it apart anyway. I also turned over the polarising filter on the display so it had numbers in white on a black screen.
(, Tue 15 May 2007, 11:34, archived)