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.

Equation

Equation

Example

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

ShowHow to copy an example

  • Create a blank workbook or worksheet.
  • Select the example in the Help topic.

 Note   Do not select the row or column headers.

Selecting an example from Help

Selecting an example from Help
  • Press CTRL+C.
  • In the worksheet, select cell A1, and press CTRL+V.
  • 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.
 
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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