Page Comparison

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Syntax	Result	Description	Examples
number + numbernumeric_expression + numeric_expression	number	Adds two numeric expressions.	@Width + @Height ext@Cost + 10
number - numbernumeric_expression - numeric_expression	number	Subtracts a numeric expression from another.	@Width - 1.5 150 - ext@Cost
number * numbernumeric_expression * numeric_expression	number	Multiplies two numeric expressions.	@Width * @Height ext@Estimate * 1.2
number / numbernumeric_expression / numeric_expression	number	Divides a numeric expression by another.
numeric_expression % numbernumeric_expression	number	Computes the remainder of the division between two numeric expressions.

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Syntax	Result	Description	Examples
COUNT(requirement_list)	number
SUM(number, requirementsnumeric_expression, requirement_list)	number
AVG(number, requirements)numeric_expression, requirement_list)	number
MAX(number, requirements)numeric_expression, requirement_list)	number
MIN(number, requirements)numeric_expression, requirement_list)	number

Boolean expressions

Syntax	Result	Description	Examples
NOT boolean_expression	boolean
boolean_expression AND boolean_expression	boolean
boolean_expression OR boolean_expression	boolean
expression = expression expression == expression	boolean
expression != expression expression <> expression	boolean
number > numbernumeric_expression > numeric_expression	boolean
number numeric_expression >= numbernumeric_expression	boolean
number < numbernumeric_expression < numeric_expression	boolean
number numeric_expression <= number numeric_expression	boolean
string_expression like string_expression string_expression ~ string_expression	boolean
expression IS NULL	boolean
expression IS NOT NULL	boolean