Elegant mechanisms from bygone eras — behold, the "math grenade" http://enwp.org/Curta_calculator … (best nickname!)
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Replying to @starsandrobots
@starsandrobots have 2 of them. even better way than slide rules to make math tactile1 reply 0 retweets 1 like -
Replying to @argonblue
@argonblue neat! Have you ever disassembled one? Do you use them for calculations? What else is in the tactile math machine category?2 replies 0 retweets 0 likes -
Replying to @starsandrobots
@starsandrobots other tactile math machines: abacus (maybe more of a mnemonic?), planimeter (haven't used 1 yet), E6B (flight computer)...1 reply 0 retweets 1 like
Replying to @argonblue
@argonblue E6B a.k.a. the "Whiz Wheel" — more great names, and really cool :)
12:14 AM - 8 Jul 2013
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