Bohumil and Vladimir Bohm offer a technical guide to the Dresden Codex. Explore its mysteries, number by number.

Discover the mathematical achievements of the Incan civilization. Learn about numerical tools they used, including the quipu and the yupana.

Guide to the history of mathematics in the Americas. Find directories of U.S. and Canadian mathematicians, and explore Mayan and Inca math.

Explore the Mayan positional number system, the Dresden Codex, and the Caracol building in Chichen Itza, believed to be the Mayan's observatory.

Guide to math used by Am. Indians, including the Pacific Coast Indians, the Hopi Pawnee, and the Zuni, Cherokee, Creeks, and Plains tribes.

Tutorial on the number system of the ancient Maya. Includes an interactive tool that converts numbers to their Mayan equivalents.

Guide to the Mayan calendar, including its origin, the calendric count, and the stela. Includes a current year Mayan calendar for sale.