Returns the complementary ERF function integrated between x and infinity.
Syntax
ERFC(x)
X is the lower bound for integrating ERF.
Remarks
 If x is nonnumeric, ERFC returns the #VALUE! error value.
 If x is negative, ERFC 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
 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
 Press CTRL+C.
 In the worksheet, select cell A1, and press CTRL+V.
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A 
B 
Formula 
Description (Result) 
=ERFC(1) 
Complementary ERF function of 1 (0.1573) 
