﻿ ERF function

# ERF function

Returns the error function integrated between lower_limit and upper_limit.

Syntax

ERF(lower_limit,upper_limit)

Lower_limit     is the lower bound for integrating ERF.

Upper_limit     is 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 lower_limit is negative, ERF returns the #NUM! error value.

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

• If upper_limit is negative, ERF returns the #NUM! error value.

Example

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

How to copy an example

1. Create a blank workbook or worksheet.

2. Select the example in the Help topic.

Note   Do not select the row or column headers.

Selecting an example from Help

3. Press CTRL+C.

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

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.

 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 2007

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