Downloading JFormula 3.6 for Mac from our website was free. The program is categorized as Productivity Tools. The actual developer of this Mac application is JAPISoft.
From the developer:
Formula is a library for evaluating various mathematical expressions. A user can evaluate instantly a string setting variables, adding its own functions or operators.
Main features:
- Functions with decimal, boolean, string or list arguments.
- Override or add your operators.
- Extend or add a new library dynamically.
- Support for multithreaded computing.
You may want to check out more Mac applications, such as PinholeCalc, InstaRate or MiaPrintingCalculator, which might be similar to JFormula.