Paid, about $1
Division was implemented on later models |
Interesting calculator for the late 1960's made in Japan. Use the brass stylus to drag down the toothed rails and count away. Like an abacus, with numbers. Sure, adding is a cinch, good luck doing multiplication or any type of division on this.
Two wrongs make 93.315 |
There was an algorithm to do multiplication and division that came with the instruction manual for these types of calculators.
ReplyDeleteNo luck needed :P