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Amazing Old Calculator (Curta) - Numberphile

2012-10-07

[public] 753K views, 18.0K likes, 115 dislikes audio only

Alex's book: http://amzn.to/1l0yX46

The Curta is a pocket-sized, mechanical, digital calculator!!! It was invented by Curt Herzstark.

More links & stuff in full description below ↓↓↓

Shown here by Alex Bellos, author of Alex's Adventures in Numberland.

More about our contributors, including Alex, at http://www.numberphile.com/team/index.html

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What is Curta calculator?
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