It is a pi-number calculator.  Timings for 100, 1000 and 3000 digits are gathering.  Help is welcome.

pi-bk10.bin - for BK0010 (for a cassette)
pi-bk10.com - for BK0010 (for an AnDOS disc)
pi-bk10h.bin - for BK0010 with K1801VM1G (for a cassette)
pi-bk10h.com - for BK0010 with K1801VM1G (for an AnDOS disc)
pi-bk11.com - for BK0011 (for an AnDOS disc)
pi-bk11h.com - for BK0011 with K1801VM1G (for an AnDOS disc)
PI.IMG - a bootable (AnDOS) disc image
