GitHub repository: sodalom/Computator.NET
Primary language: C#
Description: Computator.NET is a special kind of numerical software that is fast and easy to use but not worse than others feature-wise. It's features include:  - Real and complex functions charts   - Real and complex calculator   - Real functions numerical calculations including different methods   - Over 107 Elementary functions   - Over 141 Special functions   - Over 21 Matrix functions and operations   - Scripting language with power to easy computations including matrices   - You can declare your own custom functions with scripting language