'\" t .\" Copyright (c) 2025 Bruce Hill .\" All rights reserved. .\" .TH Num.PI_2 3 2025-04-30 "Tomo man-pages" .SH NAME Num.PI_2 \- pi/2 .SH LIBRARY Tomo Standard Library .SH SYNOPSIS .nf .BI Num.PI_2\ :\ Num .fi .SH DESCRIPTION $\frac{\pi}{2}$