.so tmac.ilib .TH MATH 3.icon "The University of Arizona \- 8/12/84" .SH NAME exp, log, log10, sqrt \- miscellaneous math functions .SH SYNOPSIS .nf .sp \*Mexp(x)\fR \*Mlog(x)\fR \*Mlog10(x)\fR \*Msqrt(x)\fR .fi .SH DESCRIPTION \*Mexp\fR returns \fIe\u\*Mx\d\fR. .LP \*Mlog\fR returns the natural logarithm of \*Mx\fR. .LP \*Mlog10\fR returns the base-10 logarithm of \*Mx\fR. .LP \*Msqrt\fR returns the square root of \*Mx\fR. .LP The C math library (\*M\-lm\fR )must be loaded with these functions. .SH DIAGNOSTICS Run-time error 251 occurs if \*Mx\fR is zero or negative in \*Mlog\fR or \*Mlog10\fR. .LP Run-time error 252 occurs for overflow in \*Mexp\fR. .SH SEE ALSO exp(3m) .SH AUTHORS Ralph E. Griswold