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MATYC Journal

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Farley, Reuben W.	1
Pinker, Aron	1

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Approximations of the Annual Percentage Rate in Installment Plans.

Pinker, Aron – MATYC Journal, 1981

This report explains the mathematical origin of the Annual Percentage Rate (APR) approximation often used in elementary Business Mathematics courses. (MP)

Descriptors: Algorithms, College Mathematics, Higher Education, Mathematical Applications

A Systematic Approach to Solving Related Rate Problems.

Farley, Reuben W. – MATYC Journal, 1981

An organized series of steps designed to help students solve related rate problems often found in beginning calculus is presented. Two example problems are taken through five steps of solution. (MP)

Descriptors: Algorithms, Calculus, College Mathematics, Higher Education