Caution! This legacy Second Edition version was published in 1992 and last updated in 2001. It is now unsupported.

There is a more recent Third Edition version in C++ that you can read for free here. This message will go away in a few seconds.

The code download includes both the current and this legacy version.

Vol. 1: Numerical Recipes in Fortran 77

Vol. 2: Numerical Recipes in Fortran 90