This University of St. Andrews page offers a good biography on Luca Valerio, an Italian mathematician and teacher of rhetoric.

Different cultures' contributions to Geometry are discussed.

In trigonometry today, we use the abbreviations sin, cosine and tan. Girard was the first mathematician to use these abbreviations in his work.

This site from the University of St. Andrews provides biographical information about mathematician Christoff Rudolff, author of the first book about algebra in German.

This site, which is provided for by the University of St. Andrews, gives a brief biography of Christopher Clavius with references for additional study.

This site, which is provided for by the University of St. Andrews, gives a brief biography of Nicolaus Bernoulli.

This site from the University of St. Andrews provides a biography of mathematician Nicholas Chuquet, who was the first to use negative numbers as exponents and coefficients.

The first American woman to earn a Ph.D. in mathematics, Winifred Merrill made many contributions to the world of mathematics. Her life and accomplishments are documented in this short biography.

Overview of the history of science in Greece during the Hellenistic age when Greek culture mingled with Persia and many advancements were made. Teacher resources include worksheets, activities and quizzes.

Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or disrupt a sacred ritual? No, Hippasus's transgression was mathematically...

Includes a short summary of the life and work of the Greek philosopher Thales of Miletus. Discusses his life, work in Astronomy and Mathematics, and view of water and pantheism. Also includes a couple of quotations that make reference to...

Explore a brief history of mathematics in Mesopotamia through the Babylonian Base 60 number system. This video focuses on how a base 60 system does not use fractions or repeating decimals, some of the advantages of a base 60 system, and...

This straightforward biography of the French mathematician Emilie de Chatelet covers basics of her life and times. Her friendship with Voltaire, translation of Newton, and tragic early death are included.

History and mathematics merge in this lesson that explores the origin of the calendar. Learn how it all got started in this detailed lesson that includes a simple months of the year game and a more challenging time conversion game. Both...

Gives brief information about the lives and accomplishments of famous women scientists from around the globe.

Credited to the Cornell University Greek Epigraphy Project, the content on this page explains (and illustrates through a chart) the Greek use of Alpha characters for numbers.

Contains a biography and information on Leonhard Euler's background and contributions to the field of mathematics.

This site offers many uses for Sudoku, including free online puzzles, free puzzles for school publication, and it gives the history of Sudoku.

Annenberg Media offers over 50 workshops and courses for teachers which can be used for graduate credit (through Colorado State University), for Continuing Education Units (CEUs), or for enrichment. The courses cover subjects in The...

Contains a detailed biography and discussion of the contributions of the ancient Greek philosopher Thales. Part of a larger mathematics site, this page focuses primarily on his contributions to Geometry.

This site provides a general biography of Takakazu Seki Kowa, "the arithmetical sage." Content focuses on his known accomplishments. Also includes related links.

Would mathematics exist if people didn't? Did we create mathematical concepts to help us understand the world around us, or is math the native language of the universe itself? Jeff Dekofsky traces some famous arguments in this ancient...

In this activity students will use a mathematical model to study the process of radioactive decay in order to help understand how it can be used to determine the age of ancient earth materials.