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.
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.
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.
