JavaScript: Calculators - page 2

Tigra Calculator is free JavaScript widget that allows your visitors to make different calculations right on your site.
Price: Free

Tigra Calculator PRO is flexible cross-browser JavaScript calculator supporting customizable layout, configurative mathematical function set and lots of other valuable features.
Price: $29

Enter three out of the six variables in a triangle, and this will solve for the rest. You don't need to know all the mathematics behind it, it is easy to use.
Price: Free