Java task length predictor. Designed to aid extreme programmers (XP) to know the length of the assigned tasks, fast and easy. The program will learn programmer's capabilities and personal measurement of difficulty and risk, to make good predictions.
JCalc is a standard (basic operations +, -,...) calculator and a scientific calculator (sin, cos, exp,...) calculator.
JCalc GUI make it easy to use.
JCalc is 100% java, and therefore could run on any OS.