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Dozenal Society of America

Promoting base twelve and alternative base mathematics

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The Dozenal Society of America

The DSA is a voluntary, nonprofit education corporation, organized for the conduct of research and education of the public in the use of dozenal (also called duodecimal or base-twelve) in calculations, mathematics, weights and measures, and other branches of pure and applied science.

Join the Dozenal Society of America!

To join the DSA, please fill out the following form. Please note that we communicate with our membership primarily by email.

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Desired Membership Level:	Regular (FREE) Subscription ($18.)

If you wish to be a subscription member or to make a donation, you will be given a link to a Paypal site after you submit this form. Thank you for supporting the DSA.