About Functions

Last modified: January 05, 2012

Applies to: Office 2013 | Visio 2013

A function performs a single well-defined task. Most functions take a number of arguments as input. Although the type and number of arguments depend on the function, all functions have the same general syntax:

FUNCTION( argument1, argument2, … argumentN [,argumentA | argument])

Syntax element

Description

( )

If a function takes no arguments, it must be followed by an empty set of parentheses ( ).

,

Arguments are separated by a comma.

...

Used for notation only; do not include in a function.

[ ]

Optional argument. Used for notation only; do not include in a function.

|

A choice; you can include argumentA or argument. Used for notation only; do not include in a function.

Many functions that you can use in formulas resemble those you have seen in spreadsheet programs: mathematical, such as SUM or SQRT; trigonometric, such as SIN or COS; or logical, such as IF or NOT. Many other functions are unique to Microsoft Office Visio, such as GUARD, GRAVITY, and RUNADDON.

For more information on specific functions, see this ShapeSheet Reference.

Note Note

Certain functions appear in formulas generated by Visio, but are not shown in the Edit Formula dialog box or described in this reference because they are reserved for internal use and should not be used in other formulas. Following are examples: ELLIPSE_THETA, _ELLIPSE_ECC, _UCON_C1, and _SHAPEMIN.

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