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Meaning of precalculus

pre•cal•cu•lus

Pronunciation: (prē-kal'kyu-lus), [key]
— Math. Math.
—adj.
  1. pertaining to the mathematical prerequisites for the study of calculus, as algebra, analytical geometry, and trigonometry.
—n.
  1. the course of study leading to calculus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.