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Lang21e

Author:David Goldsmith

New Resources

Steel Chair
apec
Sine and Cosine on the Unit Circle
Riemann Sums
Discriminant of y = ax² + bx + c

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Stellar Parallax
Quadratic solver
Orthocenter as Circumcenter
olympiadgeometry 1b
Pendulum - interactive phase portrait

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Geometric Transformations
Tree Diagrams
Normal Distribution
Differential Calculus
Numbers

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