A statement is either a conditional or an expression. The else and elsif parts are optional, and the latter can be repeated any number of times. Expressions Expressions in window are similar to those in the C language, with most C operators supported on numeric operands. In addition, some are overload- ed to operate on strings. When an expression is used as a statement, its value is discarded after evaluation.
Some variables are predefined.
They are listed below. Numeric values only. Numeric values only. Bitwise exclusive or. Numeric values only.