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pier4r

01-07-2023, 07:35 PM
The division is interesting! (the subtraction with complement to 9 is also interesting)

https://www.youtube.com/watch?v=AlGbblf8deg

Eddie W. Shore

01-14-2023, 06:40 PM
It would take me a while to use a comptometer.

Steve Simpkin

01-14-2023, 09:03 PM
(01-14-2023 06:40 PM)Eddie W. Shore Wrote: [ -> ]It would take me a while to use a comptometer.

Comptometer, it’s worth the wait!

Don Williams

01-14-2023, 09:33 PM
This was a portable handheld from the era when "men were men". Think of the speed. Theoretically you could calculate PI to 100 decimal places in a single lifetime.
HP Forums > Not HP Calculators > Not remotely HP Calculators > Interesting way of dividing with a machine that can only add
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