DOKK / manpages / debian 11 / pi / pi.1.en
PI(1) General Commands Manual PI(1)

pi - compute decimal Archimedes' constant Pi to arbitrary accuracy.

pi [digits]

The pi command prints 100 decimal digits of Archimedes' constant pi or a number of digits specified by an integer parameter on the command line.

Show summary of options.
Show version of program and exit.
Output recommended readings and exit.

The CLN library is documented fully by cln, available via the Info system.

CLN was written by Bruno Haible <haible@gnu.org> and is maintained by Richard Kreckel <kreckel@ginac.de>.