fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 days agowe are creatorsmander.xyzimagemessage-square245fedilinkarrow-up11.41Karrow-down111
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minus-squaremindbleach@sh.itjust.workslinkfedilinkEnglisharrow-up11·edit-217 hours agoThe Babylonians knew a * b = 1/4 * ( (a+b)^2 - (a-b)^2 ), and used tables of 1/4 * x^2 to do multiplication by addition. It took three thousand years for Napier to discover modern logarithms. The slide rule was invented eight years later.
The Babylonians knew a * b = 1/4 * ( (a+b)^2 - (a-b)^2 ), and used tables of 1/4 * x^2 to do multiplication by addition. It took three thousand years for Napier to discover modern logarithms. The slide rule was invented eight years later.