CURTA calculator an engineering marvel. I came across this - TopicsExpress

CURTA calculator an engineering marvel. I came across this CURTA calculator, Which is an early portable mechanical machine. WOW ! calculator which works with rotation of drum, not on battery and ALU. I always had a doubt on how can gears perform calculations ( I just had idea of what could be happening with gears and number of teeth etc.. But didnt know how exactly they could work ) But after watching this video i have a good idea of how Analytical engine, Difference engine, pascals calculators might have worked. Sharing this video for all the engineers who want to know one of engineering marvels. https://youtube/watch?v=loI1Kwed8Pk

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