Polynomial Root Finder

TOMS493 is a FORTRAN77 library which seeks the roots of a real polynomial.

The text of many ACM TOMS algorithms is available online through ACM: or NETLIB:


TOMS493 is available in a FORTRAN77 version.

Related Data and Programs:


  1. Michael Jenkins,
    Algorithm 493: Zeros of a Real Polynomial,
    ACM Transactions on Mathematical Software,
    Volume 1, Number 2, June 1975, pages 178-189.

Source Code:

Examples and Tests:

List of Routines:

You can go up one level to the FORTRAN77 source codes.

Last revised on 30 December 2007.