.fi
Link with \-lm.
.SH DESCRIPTION
-The \fBerf()\fP function returns the error function of \fIx\fP; defined
+The \fBerf\fP() function returns the error function of \fIx\fP; defined
as
.TP
erf(x) = 2/sqrt(pi)* integral from 0 to x of exp(\-t*t) dt
.PP
-The \fBerfc()\fP function returns the complementary error function of
+The \fBerfc\fP() function returns the complementary error function of
\fIx\fP, that is 1.0 \- erf(x).
.SH "CONFORMING TO"
SVID 3, 4.3BSD, C99.