Cauchy's integral formula is a theorem in complex analysis which relates a holomorphic function defined on a disk to its values on the edge of the disk, and gives a formula for for every within the disk, or outside if the function is holomorphic everywhere. If , this simplifies to File:GammaAbsSmallPlot.svg This complex analysis-related article contains minimal information concerning its topic. You can help the Mathematics Wikia by adding to it.