University of St. Andrews (UK)
University of St. Andrews: References for Heron of Alexandria
This site contains important links on which to learn more about Heron of Alexandria. Is a useful site for anyone doing research on this great mathematician.
NASA
Nasa: Astronomy Picture of the Day: Hypatia
Learn more about Hypatia when you check out this resource. This site features a picture and a brief synopsis of this famous scientist.
Other
Mathpages.com: History of Mathematics
Find the information you need about math history, from Archimedes to Fermat. A great resource for studying the foundations of today's world of mathematics.
Other
Sieve of Eratosthenes
Named after the Greek Mathematician. This classic method of finding prime numbers is also great for teaching about factors and multiples. The visnos sieve allows for multi colored squares this allows identification of any numbers prime...