26 October 2018

Industria Macchine Elettroniche IME-141 - eeeeeerror

I let my daughter play with IME-141 calculator. Since a calculator is boring if you don't have maths to do, she pressed few buttons at the same time and this is the result:

It never occurred to me I could to that "test". Now I try it on every calculator just for the fun of it.

And for the curious, a close-up of display VFD tubes. I really like the shape of segments. The vertical filament is visible too.