Editor: Jac is a Simple calculator that can be run in the console or with a GUI. Skins based on the OYOAHA framework may be applied to the GUI. The GUI also displays past operations and it can save sessions to a file. All operations are performed using infix notation only. Exponents and roots are supported. Console mode is good for situations where you may need a calculator in your scripting.
Features:
Skinnable graphical interface provided by OYOAHA
Single memory cell
Command-line interface
Written in Java using Eclipse
Works in Windows and Linux