for
Hieu H. Nguyen
Some links I like.
The Program of Mathematics Education
MacTutor History of Mathematics Site -- St. Andrew's University
Math Forum (alias Geometry Forum)
Behavior of a Sine Graph |
Behavior of a Parabola Graph |
Quadratic Equations |
Centroid of a Triangle |
GSP Script Tools |
Field Goal Kick Angles |
Assignment 7: Tangent Circles |
Triangles and Orthocenters |
Pedal Points and Simson Line |
Parametric Equations |
Polar Equations |
Interest Rates |