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A discussion of aspects of Leonardo of Pisa's Book of Squares.

Suppose a lighthouse is built on the top of a rock; the distance between a place of observation and that part of the rock level with the eye is 620 yds.

Who's That Mathematician? Images from the Paul R. Halmos Photograph Collection

Page 4: Images of Jose Barria, Paul Halmos, Robert Bartle, Marshall Stone, Hyman Bass, and Joseph Bastian from the Halmos snapshot collection

Benjamin Banneker's Inscribed Equilateral Triangle

An interesting problem from Banneker's notebook as well as other problems to use with students.

Jacob Kobel's Geometry

This is the title page of the geometry book of Jacob Kobel (1460 - 1533). The book dealt primarily with measurement, showing its readers how to use various instruments to measure fields, determine heights of buildings, and perform various other necessary tasks.

Margarita philosophica of Gregor Reisch

This is the title page of the Margarita philosophica (Pearl of Wisdom) of Gregor Reisch (1467 - 1525). The first edition was published in 1503. This work was used as a university textbook in the early sixteenth century.

Historic Women of Mathematics

Poster picturing five famous women, from Hypatia to Grace Hopper.

Math for Mystics

A book connecting mathematics to mysticism, but not recommended.

Using Problems from the History of Mathematics

Why should we use historical problems in today's classroom? This article answers that question and serves as an introduction to the problems on this website.

Enrichment: The Use of Original Sources

A report on an Australian teacher's use of material from the Rhind Papyrus.