Reply to post: Re: calculations for which can be done on a pocket calculator

Apollo 11 @ 50: The long shadow of the flag

Mage Silver badge

Re: calculations for which can be done on a pocket calculator

An abacus will do, but it was Americans, not Asians, so slide rules. Abacus is more accurate than a slide rule, though slower. It can be more accurate than an electronic calculator as you can have more digits and no rounding errors.

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