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'\" t
.\" Copyright (c) 2025 Bruce Hill
.\" All rights reserved.
.\"
.TH Num.acosh 3 2025-09-06 "Tomo man-pages"
.SH NAME
Num.acosh \- arc hyperbolic cosine
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Num.acosh\ :\ func(x:\ Num\ ->\ Num)
.fi
.SH DESCRIPTION
Computes the inverse hyperbolic cosine of a number.
.SH ARGUMENTS
.TS
allbox;
lb lb lbx lb
l l l l.
Name Type Description Default
x Num The number for which the inverse hyperbolic cosine is to be calculated. -
.TE
.SH RETURN
The inverse hyperbolic cosine of `x`.
.SH EXAMPLES
.EX
>> (1.0).acosh()
= 0
.EE
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