abacus say what?
Comment on Better safe than sorry
johncritzman@lemmy.world 5 months agoMoves C index to 2 on the D scale Moves indicating line to 2 on the C scale Reads 4 on the D scale
Good thing 2+2 and 2*2 yield the same answer. Would have to bust out the addiator otherwise
MeThisGuy@feddit.nl 5 months ago
Zerush@lemmy.ml 5 months ago
Yoy can use 2 normal rules to add/rest 2 numbers, but you can’t do it in a slide rule with its logarithm scales.
Zerush@lemmy.ml 5 months ago
Well, but fails with 3+3, there an US engineer must use still an addiator. Nowadays it’s easier with an pocket calculator.
johncritzman@lemmy.world 5 months ago
But a pocket calculator doesn’t get you nearly enough street cred these days
Zerush@lemmy.ml 5 months ago
Well, even an iPhone has an calculator by default (maybe with an monthly fe)