Calculator Unboxing #5 (Little Professor)

Squarespace: http://www.squarespace.com/numberphile

We're back with another unboxing by Matt Parker.

James Grime discusses the same device: http://youtu.be/9TAlEVDvXgw
See all our unboxings: http://bit.ly/CalcUnbox

Buy Little Professor: http://bit.ly/LittleProfAmazon