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lens simulation

Author:Austin

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Area of a Circle Illustrated
Classifying Triangles
The Gardener's Ellipse
The Gardener's Circle
Regular Star Polygons

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Trigonometric Functions.
Play with triangles
angle between two planes 3
AM 2011 P1 Q4

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Inequalities
Step Functions
LCM and GCD
Statistical Characteristics
Standard Deviation

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