C# Expression Evaluator

Data Types:
String: VALOR[t,...]
Number: VALOR[n,...]
Boolean: VALOR[b,...]
DateTime: VALOR[dt,...] (yyyy-MM-dd)
ArrayDateTime: VALOR[ad,...;...;...] (yyyy-MM-dd)
ArrayNumeric: VALOR[an,...;...;...]
String: VALOR[at,...;...;...]

Variable:
Boolean: @ParameterName@
DateTime: @ParameterName@
Number: @ParameterName@
String: @ParameterName@
Array: @ParameterName@

Comp Operation:
Equals: [=]
Not Equals: [<>]
Greater Than: [>]
Greater Equals Than: [>=]
Less Than: [<]
Less Equals Than: [<=]
Contains: [contains]

Math:
Plus: [+]
Minus: [-]
Multiply: [*]
Division: [/]

Logical Operation:
And: [AND]
Or: [OR]
Not: [NOT]

Function Operation:
Sum: [sum]
Average: [average]
Cos: [cos]
Sin: [sin]