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Introduction
This chapter offers an array of interesting mathematical functions to
implement in Clipper. It includes trigonometric functions, finance-
oriented math computations, and functions to determine the factorial,
sign, or the next-largest integer of a value.
SETPREC() is important for trigonometric functions. With this function
you can specify the precision as a number of places to the right of the
decimal. However, if it is less accurate, the speed is greater.
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