A simple budgeting program that uses envelopes to track income and expense transactions. This is a bare bones program that does what it needs to do, not give hundreds of features that the average person won't use.
A Java implementation of a cubic B-spline curve smoothing function.
Allows an arbitary number of points with a variable number of dimensions to have a cubic B-spline curve "fitted". Useful in finance for analysing bond or swap yield and discount curves.