Personal/Student/HS Teacher License
Geometry Expressions Books
Journal of Symbolic Geometry
Videos on YouTube
Learn the power of Geometry Expressions by browsing through our many examples.
Basic Trigonometry (2)
These lessons give the student an introduction to trigonometry. The first lesson focuses on a right triangle while the second lesson looks at the unit circle.
Function Transformations (10)
This unit is designed to familiarize students with the ideas of how various functions can be transformed, and the effect those transformations have on equations, graphs, and contextual situations.
Functions and Transforms (4)
Solving Equations and Inequalities ...
Translation Along Coordinate Axes
Stained Glass Design
Optimization Problems (4)
A Little Trig
Parametric Functions (4)
This unit gives students exposure to parametric functions and how they differ from Cartesian functions.
Light Caustics Light Caustics If you look at light reflected within a cylinder, you see a bright curve caused by the light being concent