Date: 02-03-88 (16:54)              Number: 29
  To: GREY STAPLES                  Refer#: 22
From: MICHAEL MCDONNELL               Read: NO
Subj: QUIET                         Status: PUBLIC MESSAGE

I did discover three undocumented formulas in Version 3.10:
   bitand(m,n)  ;  bitor(m,n)  ; bitxor(m,n)
where "m" and "n" are integers.  They do bitwise math on the integers.