2002-08-08 The first thing that would have to be done if the duo-decimal system were ever to take off would be to come up with two distinct symbols for the number ten and eleven, as well as new names for all the numbers past twelve.
John ----- Original Message ----- From: "Joseph B. Reid" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[EMAIL PROTECTED]> Sent: Thursday, 2002-08-08 21:53 Subject: [USMA:21591] Re: Proposal For World Calendar > Brij Bhushan Vij asked on August 8: > > >I have heard about the 'deodecimal notation' but really lack the information > >to grasp it! If it is possible may I request some details for *knowing it > >better*. Regards, > >Brij Bhushan Vij <[EMAIL PROTECTED]> > > > Duodecimal addition table: > 1 2 3 4 5 6 7 8 9 A B > ------------------------------------------------------ > 1 | 2 3 4 5 6 7 8 9 A B 10 > 2 | 3 4 5 6 7 8 9 A B 10 11 > 3 | 4 5 6 7 8 9 A B 10 11 12 > 4 | 5 6 7 8 9 A B 10 11 12 13 > 5 | 6 7 8 9 A B 10 11 12 13 14 > 6 | 7 8 9 A B 10 11 12 13 14 15 > 7 | 8 9 A B 10 11 12 13 14 15 16 > 8 | 9 A B 10 11 12 13 14 15 16 17 > 9 | A B 10 11 12 13 14 15 16 17 18 > A | B 10 11 12 13 14 15 16 17 18 19 > B | 10 11 12 13 14 15 16 17 18 19 1A > > Duodecimal multiplication table: > 1 2 3 4 5 6 7 8 9 A B > ------------------------------------------------------- > 1 | 1 2 3 4 5 6 7 8 9 A B > 2 | 2 4 6 8 A 10 12 14 16 18 1A > 3 | 3 6 9 10 13 16 19 20 23 26 29 > 4 | 4 8 10 14 18 20 24 28 30 34 38 > 5 | 5 A 13 18 21 26 2B 34 39 42 47 > 6 | 6 10 16 20 26 30 36 40 46 50 56 > 7 | 7 12 19 24 2B 36 41 48 53 5A 65 > 8 | 8 14 20 28 34 40 48 54 60 68 74 > 9 | 9 16 23 30 39 46 53 60 69 76 83 > A | A 18 26 34 42 50 5A 68 76 84 92 > B | B 1A 29 38 47 56 65 74 83 92 A1 > > Joseph B.Reid > 17 Glebe Road West > Toronto M5P 1C8 Tel. 416 486-6071 >
