Dozenal Review *22(1969) |
Dozenal Review *26(1971) |
Dozenal Review *27(1972) |
Dozenal Review *2E(1977) |
Dozenal Review *31(1979) |
Dozenal Review *32(1980) |
The Case against Decimalisation by Professor Aitken |
Dozens Arithmetic for Everyone by B.A.M.Moon |
Modular Counting by P.D.Thomas |
Two-Way Notation by J.Halcro Johnston; two-way notation and how it can be used with base twelve |
First Edition |
Latest (5th) Edition |
DSGB Aims & Principles |
DSGB Aims (short) |
Twelves and Tens" Professor Aitken |
Twelves v. Tens |
Base Twelve and the Primes by Don Hammond |
Foresight Contribution by A.F.Whillock |
Educational Comments |
Percents Cartoons: some cartoons taken from one of our workbooks |
Polygons gives reasons why base twelve is better than other bases, with reference to polygons |
Primes back to front explores prime reversals (eg 79 and 97) with Two-Way Notation |
Prime forms (different bases and in general) |