# EXPRESSIONS TRIGEDIT-EXPRESSIONS INCREMENTS MATHEMATICAL /=

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**EXPRESSIONS TRIGEDIT-EXPRESSIONS INCREMENTS MATHEMATICAL /= || \**

A false expression is any expression that evaluates to 0, or an empty string.

A true expression is any expression that evaluates to anything other than a

false expression. The following list are the recognized operators. The higher

the operator is on the list, the higher the precedence. The expression is

evaluated from left to right. Parenthesis can be used to group.

|Operator| Name | Examples 0=False 1=True | -------------------------------------------------------------- | || | logical or | 0 || ( ) = 0; 5 || 0 = 1 | | && | logical and | 1 && 0 = 0; 5 && 3 = 1 | | == | equivalence | 5 == 3 = 0; dog == DoG = 1| | != | inequality | 0 != Z = 0; dog != d = 1 | | < | less than | 4 < 3 = 0; 4 < 5 = 1 | | > | greater than | 4 > 3 = 1; 4 > 4 = 0 | | <= | less than or equal | 4 <= 3 = 0; 4 <= 5 = 1 | | >= | greater than or equal | 4 >= 3 = 1; 4 >= 4 = 1 | | /= | substring | "concatenate" /= "cat" | | - | subtraction | 15 - 10 = 5 | | + | addition | 10 + 15 = 25 | | * | multiplication | 10 * 20 = 400 | | / | division | 100 / 20 = 5 | | ! | negation | !() = 1; !0 = 1; !dog = 0;| --------------------------------------------------------------

Example: {cRTSTAT 63{c0