Maple Calculator, a free mobile app that makes it easy to enter, solve, and visualize mathematical problems from algebra, precalculus, calculus, linear algebra, and differential equations, now offers ...

Mathway - Math Problem Solver is like 10 scientific calculators rolled into one iPad app. With a paid subscription, you can see the work that goes into its solutions, but the free version is fine for ...

Earlier this year, [Dan Maloney] went inside mechanical calculators. Being the practical sort, [Dan] jumped right into the Pascaline invented by Blaise Pascal. It couldn’t multiply or divide. He then ...