# Manuals/calci/ERFC

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**ERFC(a,accuracy)**

- is the lower limit.
- gives the accurate value of the solution.
- ERFC(),returns the Complementary Error Function

## Description

- This function gives the complementary ERF function.
- The complementary error function is the error function with the limit x and infinity. It is denoted by erfc(x).
- It is also called scaled complementary error function.
- ERFC is defined by:

.

- This function will return the result as error when a is nonnumeric or negative.

## ZOS

- The syntax is to calculate complementary error function in ZOS is .
- is the lower limit.
- gives the accurate value of the solution.

- For e.g.,ERFC(10),ERFC(10,0.01)

## Examples

- ERFC(3)=0.000022090496998639075
- ERFC(2)=0.004677734981047288
- ERFC(0)=1
- ERFC(-2)=1.9953222650189528

## Related Videos

## See Also

## References