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.\" Copyright (c) 2026 Bruce Hill
.\" All rights reserved.
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.TH Float64.acos 3 2026-08-27 "Tomo man-pages"
.SH NAME
Float64.acos \- arc cosine
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Float64.acos\ :\ func(x:\ Float64\ ->\ Float64)
.fi
.SH DESCRIPTION
Computes the arc cosine of a number.


.SH ARGUMENTS

.TS
allbox;
lb lb lbx
l l l.
Name	Type	Description
x	Float64	The number for which the arc cosine is to be calculated. 
.TE
.SH RETURN
The arc cosine of `x` in radians.

.SH EXAMPLES
.EX
assert Float64(0.0).acos().near(1.5707963267948966)
.EE
.SH SEE ALSO
.BR Tomo-Float64 (3)