I have never in my life needed a slide rule, but this one is a blast to play with.
It’s a follow up to yesterday’s printable rulers.
Virtual Pickett N909-ES SIMPLEX TRIG RULE with METRIC CONVERSION Slide Rule.
February 17
Tags
just plain fun
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February 17
I have never in my life needed a slide rule, but this one is a blast to play with.
It’s a follow up to yesterday’s printable rulers.
Virtual Pickett N909-ES SIMPLEX TRIG RULE with METRIC CONVERSION Slide Rule.
Tags
just plain fun
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It’s a Curta calculator!
http://en.wikipedia.org/wiki/Curta
Invented by a prisoner in Buchenwald in WW2 – pretty amazing story.
Frederick Heald’s last blog post..Zen Hotdog
I agree… that is fun. But what the heck is it?
This one’s even more fun:
http://www.vcalc.net/curta_simulator_en.htm
Frederick Heald’s last blog post..Zen Hotdog