Set the +43210F switch to + (or 2). On some models it is A43210F, then use A (or 2). + mode will let you enter numbers (monetary) without the decimal point and assumes cents; 2 more...
Ollivetti Adding machine model 7-186688 (appears to be from the 70's) We bought it off e-bay for a good price.. is that model suppose to keep a running more...
of heavily optimised numerical
approximation based on a fast-converging series.
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Patrick Hamlyn posting from Perth, Western Australia
Windsurfing capital of the Southern Hemisphere
Moderator: polyforms group () more...
There isn't actually a little person in there doing the calculation, and making
tricky algorithmic decisions on the fly. Very early calculator models that did
this were impractical and only made an appearance in the circus, on stage etc.
What they do nowadays is pre-define an algorithm suitably more...