AdamWhite 

A univariate, sparse, symbolic, BigInteger polynomial arithmetic class.

Arbitrary precision rational number class.

Arbitrary precision decimal class

A multivariate polynomial arithmetic class.

A complex polynomial arithmetic class..

Arbitrary precision complex numbers

Data first or code first ORM. Entity-object-class-poco to SQL repository mapping, and vice versa. Data to C-Sharp class code or emit assembly. Can dynamically generate assemblies, C-Sharp code, and SQL scripts for CREATE TABLE, INSERT, and UPDATE.

A symbolic, univariate, and generic (!) polynomial class. Generic means that the indeterminant can be of any arithmetic type, including the native value types (Double, Decimal, Int32, Int64, etc...), BigInteger, Complex, and even specialized numeric libraries such as BigRational, BigDecimal or... More information