Meaning of Cauchy integral formula

Cau'chy in'tegral for"mula

Pronunciation: [key]
— Math. Math.
  1. a theorem that gives an expression in terms of an integral for the value of an analytic function at any point inside a simple closed curve of finite length in a domain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.