| Name | Description | |
|---|---|---|
 | AcceptsArray | Determines whether the function accepts array values for the specified argument. |
| AcceptsError | Indicates whether the function can process CalcError values. |
| AcceptsMissingArgument | Indicates whether the Evaluate method can process missing arguments. |
| AcceptsReference | Determines whether the function accepts CalcReference values for the specified argument. |
 | AddCustomFunction | |
| Evaluate | Overloaded. Returns the result of the function applied to the arguments. |
| FindBranchArgument | Finds the branch argument. |
| FindTestArgument | Finds the test argument when this function is branched. |
| GetAllCustomFunctions | |
| GetCustomFunction | |
| IsVolatile | Determines whether the function is volatile while evaluate. |
| RemoveCustomFunction | |
| ToString | Returns the string representation of the function. |