fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 18 days agowe are creatorsmander.xyzimagemessage-square257linkfedilinkarrow-up1442arrow-down15
arrow-up1437arrow-down1imagewe are creatorsmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 18 days agomessage-square257linkfedilink
minus-squaremindbleach@sh.itjust.workslinkfedilinkEnglisharrow-up11·edit-216 days 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.