Chapter Introduction (pdf version)
NAG Library Manual

X01 – Mathematical Constants

X01 Chapter Introduction
Routine
Name
Mark of
Introduction

Purpose
X01AAF 5 Provides the mathematical constant π
X01ABF 5 Provides the mathematical constant γ (Euler's Constant)

Chapter Introduction (pdf version)
NAG Library Manual

The Numerical Algorithms Group Ltd, Oxford, UK. 2006