Version history for NMath shows you how often it was updated over the past months (starting Mar 28, 2005) as well as 'what is new' information for each update (if available, since this information provided by the author).
v 6.1 updated on May 07, 2015
Added binary and integer constraints to nonlinear and linear programming.
v 6.0 updated on Dec 02, 2014
Much improved nonlinear and linear programming.
v 4.0 updated on Nov 20, 2009
Merged NMath Core, Matrix, Analysis into NMath. Added Fast Fourier Transforms (FFT), convolution and correlation. Simpler configuration and deployment. Performance improvements.
v 2.3 updated on Aug 15, 2007
Better support for Visual Studio 2005, .NET 2.0. Improved performance.
v 2.2.1 updated on Aug 15, 2005
v 2.2.0 updated on Mar 28, 2005
v2.2 adds support for Pareto and log normal distributions.
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