Elementary Algebra Topics

• How to solve 3 equations in 3 unknowns on a spreadsheet
• Tutorial #1 on completing the square
• Tutorial #2 on completing the square
• Quadratic formula - derivation
• Tutorial on vertex of a quadratic function
  
• Slope of a line from its equation

Geometry Topics

• The Nine Point Circle

Trigonometry Topics

• Trigonometry and music
• Listening to equations - how to use Goldwave to play sine waves.

Spirographs

• A Spirograph Applet
• Another Spirograph Applet
• Wheels on Wheels on Wheels

Discrete Mathematics Topics

• The Game of Nim

Calculus Topics

• Sequences and Series

Statistics Topics

• Sample Means and Population Means
• Balls and Pins

Miscellaneous

• From Mathematica Pictures to Latex (postscript file)