| Add | Add expr2 to Expression, use an AND operator if the Expression is alrady populated. |
| CreateUniqueId | Create a unique table id, i.e. an id that does not already exist as a key in the tableInfos dictionary. |
| ExpressionString |
Create a string representing the expression
The MathExpression.Expression can contain as well an expression string as an evaluator expression tree. In case of the latter, a string representation of the tree is returned. |