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This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Calculator Unboxing #3 (Casio Watch)

Calculator Unboxing #3 (Casio Watch)

Brady Haran
Matt Parker, Calculators, Unboxings

It's the Casio Data Bank Calculator Watch, unboxed for Numberphile by Matt Parker.

Normal Casio Calculator unboxed: http://youtu.be/6aDBGTWsydY

More unboxings: http://youtu.be/eaJtjJNrWf0

Matt Parker: http://www.standupmaths.com

Calculator Unboxing #2 (Casio fx)

Calculator Unboxing #2 (Casio fx)
NSA Surveillance (an extra bit)

NSA Surveillance (an extra bit)