.Dd July 7, 2012
.Dt FO-BASIC 1
.Os OpenBSD
.Sh NAME
.Nm Fo-basic
.Nd function blocks
.Sh SYNOPSIS
.Ft double
.Fo sin
.Fa "double x"
.Fc
.Ft double
.Fo atan2
.Fa "double y" "double x"
.Fc
.Sh DESCRIPTION
.Ft double
.Fo sin
.Fa "double x"
.Fc
.Ft double
.Fo atan2
.Fa "double y" "double x"
.Fc