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.\" Copyright (c) 2026 Bruce Hill
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.TH Num.PI 3 2026-08-27 "Tomo man-pages"
.SH NAME
Num.PI \- the constant pi
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Num.PI\ :\ Num
.fi
.SH DESCRIPTION
The ratio of a circle's circumference to its diameter, held exactly rather than as an approximation.


.SH EXAMPLES
.EX
assert Num.PI.sin() == 0
assert Num.PI.digits(10) == "3.1415926535…"
.EE
.SH SEE ALSO
.BR Tomo-Num (3)