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ERF

This function calculates the error function integrated between a lower and an upper limit.

Syntax

ERF(limit, [upperlimit])

Arguments

This function has these arguments:

Argument

Description

limit

[Required] Either this is the lower limit, if the upper limit is supplied, or it is the upper limit (with 0 as the lower limit) if the second argument is not supplied

upperlimit

[Optional] Upper limit for integrating the function

Remarks

If upperlimit is supplied, the function is integrated from limit to upperlimit. If not supplied, the function is integrated from 0 to limit.

  • If the upperlimit is not supplied, the function calculates:


    where x is the limit argument.

  • If there upperlimit is supplied, the function calculates:


    where lo is the limit argument and hi is the upperlimit argument.

Examples

ERF(K16)

ERF(R16C11,R16,C12)

ERF(0.49) gives the result 0.51166826