Xref: utzoo sci.math:6948 comp.misc:6277 Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!sun-barr!cs.utexas.edu!uunet!mitel!sce!sunray!alanm From: alanm@sunray.UUCP (Alan Myrvold) Newsgroups: sci.math,comp.misc Subject: Base 3 computers? (was: Divide by three?) Message-ID: <6250@sunray.UUCP> Date: 5 Jun 89 16:01:43 GMT References: <6710021@hpcupt1.HP.COM> Reply-To: alanm@cognos.UUCP (Alan Myrvold) Followup-To: sci.math,comp.misc Organization: Cognos Inc., Ottawa, Canada Lines: 21 In article <6710021@hpcupt1.HP.COM> mount@hpcupt1.HP.COM (John Mount) writes: >>In article shs@uts.amdahl.com >> (Steve Schoettler) writes: >>I guess I'm cheating but how about using tri-state logic and shifting >>right one tit? ;-). (Isn't tit the _accepted_ abbreviation for ternary digit?) >I always thought that tri-state logic's three states were HI, LOW >and HIGH_IMPEDANCE, the third state is used to take the chips outputs out >of the picture (cheap was to multiplex devices), I've never heard of anyone >building a device with three *signal* states. I recall hearing about a USSR computer that did base 3 arithmetic, and even had a Fortran compiler. Does anyone have details or a reference ??? - Alan --- Alan Myrvold 3755 Riverside Dr. uunet!mitel!sce!cognos!alanm Cognos Incorporated P.O. Box 9707 alanm@cognos.uucp (613) 738-1440 x5530 Ottawa, Ontario CANADA K1G 3Z4