﻿ ERF function

# ERF function

This article describes the formula syntax and usage of the ERFfunction 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

The example may be easier to understand if you copy it to a blank worksheet.

How do I copy an example?

Important   Do not select the row or column headers.

Selecting an example from Help

2. Press CTRL+C.

3. In Excel, create a blank workbook or worksheet.

4. In the worksheet, select cell A1, and press CTRL+V.

Important   For the example to work properly, you must paste it into cell A1 of the worksheet.

5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

After you copy the example to a blank worksheet, you can adapt it to suit your needs.

 1 2 3
 A B Formula Description (Result) =ERF(0.74500) Error function integrated between 0 and 0.74500 (0.707929) =ERF(1) Error function integrated between 0 and 1 (0.842701)

Applies To: Excel 2010, Excel Starter, Excel Online, SharePoint Online

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