Tree-like Pythagorean fractal   Mark's Math
A collection of odd math bits.		   Plastic Chinese abacus
Picket 515-T slide rule
Mathematics in bloom My first calculators!


Contents

  • No matter how much math you learn there is always more to find.
    What is \(\sqrt{-1}\)?   When is 2 not a prime number?   What is \(e^{i\pi}\)?   Go Exploring.
  • Some problems to keep your life interesting.
  • I highly recommend GeoGebra, a free dynamic algebra and geometry program. Here are some quick examples of what it can do.
    The Pythagorean Tree button in the banner was created using GeoGebra.