Best Video/Curta (Amazing Old Calculator (Curta) - Numberphile)

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 * blog=Best Video
 * module=Article
 * author=Gaijin
 * publishingtimestamp=2012/10/23 10:00
 * title=Curta (Amazing Old Calculator (Curta) - Numberphile)
 * categories=Science
 * leading=Curta.
 * text={{ Widget YouTube Advanced | id = ZDn_DDsBWws | width = 560 | height = 315 | language = en_US }}