This is a handy expression evaluator for C# and salesforce apex, that allows to evaluate mathematical, boolean, string and datetime expressions.

Key Features:

• Uses Decimal for calculation and result
• No dependencies to external libraries
• Precision and rounding mode can be set
• Supports variables
• Standard boolean and mathematical operators
• Standard basic mathematical and boolean functions
• Custom functions and operators can be added at runtime
• Functions can be defined with a variable number of arguments (see MIN and MAX functions)
• Supports for scientific notations of numbers
• Supports string literals in functions