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Introduction Mathematical Functions ------------------------------------------------------------------------------ ACOS() Computes the cosine arc ASIN() Computes the sine arc ATAN() Computes the tangent arc ATN2() Computes the angle size from the sine and cosine CEILING() Rounds up to the next integer COS() Computes the cosine COT() Computes the cotangent DTOR() Converts from a degree to radian measure FACT() Computes the factorial FLOOR() Rounds down to the next integer FV() Computes future value of capital GETPREC() Determines the level of precision that is set LOG10() Computes the common logarithm PAYMENT() Computes the periodic payment amount PERIODS() Computes number of payment periods necessary to repay a loan PI() Returns pi with the highest degree of accuracy PV() Computes the cash present value after interest charges RATE() Computes the interest rate for a loan RTOD() Converts from a radian to degree measure SETPREC() Sets the precision level for trigonometric functions SIGN() Determines the mathematical sign of a number SIN() Computes the sine of a radian value TAN() Computes the tangent of a radian value