Help:ParserFunctions: Difference between revisions

Revision as of 09:37, 27 August 2008

Revision as of 23:04, 8 September 2008

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The <tt>expr</tt> function computes mathematical expressions based on permutations of numbers (or [[variable]]s/[[parameter]]s that translate to numbers) and operators. It does not recognize strings (use <tt>[[#.23ifeq:|ifeq]]</tt> below instead). The accuracy and format of numeric results varies with the server's operating system.

OperatorsThe main operators are listed below. For more, see [[Help:Calculation]]

In a complex expression, operators are evaluated from left to right with the following precedence (explained in more detail in [[Help:Calculation]]):

# grouping (parentheses);

# unary (+/- signs and NOT);