Decimal data type is used to accurately store numeric data. This type is needed in programs where rounding errors can cause problematic loss of accuracy. This is a value type which can be manipulated with the standard numerical operators in the C# programming language. The operators include those for addition, subtraction, multiplication and division. Also, you can test decimal values with the use of the equality operator.

1. cd src
2. make decimal.a
3. incorporate the library into your program