Eight Alternatives to Buying Scientific Calculators

One of the problems that many mathematics and science departments confront is accounting for all of the scientific calculators they lend to ...

Encalc - A Free Scientific Calculator

Encalc  is a free online scientific calculator that I initially tried more than four years ago. I revisited it this evening and discovered ...

Calkoo - An Excellent Set of Online Calculators

There are a lot of calculators online for performing all kinds of functions from simple addition to solving complex equations. Calkoo is a ...

Desmos Improves Their Browser-based Graphing Calculator

Desmos , a free online graphing calculator that I reviewed in June , recently added a handful of new options that should be appealing to ma...