#### Invocation

RESULT = PDA_PPND16( P, IFAULT )

#### Arguments

##### P = DOUBLE PRECISION (Given)

Lower tail area (probability) of the normal distribution.

##### IFAULT = INTEGER (Returned)

Non-zero when cannot calculate result.

#### Returned Value

##### PDA_PPND16 = DOUBLE
PRECISION

The required normal deviate.

#### Accuracy

The result is accurate to about 1 part in
$1{0}^{16}$.

####
Origin

Applied Statistics / Statlib Archive