# Cumul_normal_complem

Cumul-normal-complem-func

## Definition:

evaluates an approximate value for the complement of the cumulative normal distribution function

The function is based on the fact that

For more information please review the s15acc function in the NAG document.

## Parameters:

- x (input, double)
- The argument x of the function.
- Q (output, double)
- Approximate value of the complement of the cumulative normal distribution function.