---
name: "area"
section: "3m"
platform: "linux"
package: "iraf"
version: "2.11.3-2"
release: "Debian 3.0 (Woody)"
platforms: ["linux"]
url: "https://new.carta.tech/area"
---

# area(3m)

## NAME

area

## DESCRIPTION

function area.f

source\
   Bevington, pages 272-273.

purpose\
   integrate the area beneath a set of data points

usage\
   result = area (x, y, npts, nterms)

description of parameters\
   x      - array of data points for independent variable\
   y      - array of data points for dependent variable\
   npts   - number of pairs of data points\
   nterms - number of terms in fitting polynomial

subroutines and function subprograms required\
   integ (x, y, nterms, i1, x1, x2 sum)\
     fits a polynomial with nterms starting at i1\
       and integrates area from x1 to x2