2 Brothers + 1 Christmas Wish.

Superhuman Scott Flansburg computes complex mathematical functions without the use of a calculator. [series.storelinktext]

Play hidden classic game Defender on some Canon Calculators. Enter a numeric code to load this hidden classic game. Impress y...

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A second grade student and his classmates demonstrate how to play the math game Beat the Calculator.

Pam Krueger shares with you one of her favorite financial calculator resources, DinkyTown, so you can add up your future earn...

Federal spending will top $3.6 trillion this year, but what's your share? The Government Cost Calculator is a new online tool...

Record your math problems

Had Justin Blackmon entered the NFL Draft a year ago, he'd have competed with A.J. Green and Julio Jones for the top WR off t...

Cheryl has a great app for runners who need to calculate their pace.