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.\" Copyright (c) 2025 Bruce Hill
.\" All rights reserved.
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.TH Num.erf 3 2025-11-29 "Tomo man-pages"
.SH NAME
Num.erf \- error function
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Num.erf\ :\ func(x:\ Num\ ->\ Num)
.fi
.SH DESCRIPTION
Computes the error function of a number.


.SH ARGUMENTS

.TS
allbox;
lb lb lbx
l l l.
Name	Type	Description
x	Num	The number for which the error function is to be calculated. 
.TE
.SH RETURN
The error function of `x`.

.SH EXAMPLES
.EX
assert (0.0).erf() == 0
.EE
.SH SEE ALSO
.BR Tomo-Num (3)