.TH INTEG 3M
.SH NAME
integ
.SH DESCRIPTION
subroutine integ.f

source
  Bevington, page 274.

purpose
  integrate the area beneath two data points

usage
  call integ (x, y, nterms, i1, x1, x2, sum)

description of parameters
  x      - array of data points for independent variable
  y      - array of data points for dependent variable
  nterms - number of terms in fitting polymonial
  i1     - first data point for fitting polynomial
  x1     - first value of x for integration
  x2     - final value of x for integration

subroutines and function subprograms required
  none

comments
  valid for nterms up to 10