Framework & GUI for Bayes Nets and other probabilistic models.
Precision Trigonometry: Advanced Calculator for Complex Math
A java infix evaluator based on "Shunting Yard" algorithm.
Numerical models for chemical and process engineering
JStats is a Java application/applet for statistical testing.
Editor for Petri nets
JBernstein: Exploration techniques for non-linear constraint checking
Easily convert numbers to any radix
Numeric base conversion & arithmatic operations