Duodecimal Links

http://www.psinvention.com/zoetic/base12.htm

A few brief comments about base12 use in history

http://www.geocities.com/~dejudicibus/ddjesmhx.html

A complete multiplication table for duodecimal numbers

http://www.geocities.com/~dejudicibus/ddjesmhp.html

A complete addition table for duodecimal numbers

http://ghs1.greenheart.com/billh/twelve.html

A discussion of terminology in the "Dozenal System" with mention of possible advantages of using this system.

http://www.ccil.org/~cowan/csur/tengwar.html

A description of the Tengwar Script used by Tolkein in "The Lord of the Rings". It uses the duodecimal system for numerals.

http://www.tolkien.cro.net/mearth/tolklang/doriath.html

More discussion from Middle Earth: "all Elves at all times reckoned in twelves; yet the name Menegroth is translated 'the Thousand Caves'..." read on!

http://www.geocities.com/TimesSquare/4948/tengwar/numbers.htm

A very detailed description of the Tengwar number system from Middle Earth

http://www.shaunf.dircon.co.uk/shaun/dozenals/dsgblist.html

THE DOZENAL SOCIETY OF GREAT BRITAIN (Incorporating The Duodecimal Association). Read the article "Twelves and Tens" by Professor A C Aitken.

http://www.ubergeek.org/~chris/random/base12.html

An Essay entitled "Some Notes on the History and Desirability of the Use of Alternate Number Bases in Arithmetic".

http://eagle.eku.edu/~yoder/days/twelve.htm

A few facts about the number 12

http://www.albany.net/~cybernet/numsys.htm

A lengthy detailed article concerning calculating in different number systems.

http://www.raenbo.com/3level/12last.html

More details of the Dozenal system with its new symbols.

http://www.shaunf.dircon.co.uk/shaun/dozenals/dozenal.htm

An introduction to Base 12.

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