
classic.mathdotnet.com
Math.NET ClassicMathNET Classic is an opensource framework written in C# for symbolic mathematical operations in an object oriented way, supporting scalar and complex Linear Algebra (Vector, Matrix, Tensor), Complex Expressions, Hyperbolics and Trigonometry, Logic Algebra, 3D geometry with vectors and plains, digital circuits and finite state machines as well as operations like derivation, integration, taylor approximation, expression evaluation, irregular linear system solving and more. MathNET Classic is discontinued.
http://classic.mathdotnet.com/