Erf function

This article describes the formula syntax and usage of the ERF function in Microsoft Excel.

Description

Returns the error function integrated between lower_limit and upper_limit.

Syntax

ERF(lower_limit,[upper_limit])

The ERF function syntax has the following arguments:

• Lower_limit    Required. The lower bound for integrating ERF.

• Upper_limit    Optional. The upper bound for integrating ERF. If omitted, ERF integrates between zero and lower_limit.

Remarks

• If lower_limit is nonnumeric, ERF returns the #VALUE! error value.

• If upper_limit is nonnumeric, ERF returns the #VALUE! error value.

Example

Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.

Formula	Description	R esult
=ERF(0.745)	Error function integrated between 0 and 0.74500	0.70792892
=ERF(1)	Error function integrated between 0 and 1.	0.84270079