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Andrew M.H. Alexander

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Visit this site: http://andrusia.com/
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Description: JavaScript by Alexander includes "the gear seer," which shows not just bike gear ratios but gear inches and meters development. Input wheel and tire size to see speed at a given cadence. This bicycle drivetrain visualizer further compares different drivetrains, displaying a picture of how different gearings affect riding on hills and flat straightaways. See also his Monte Carlo Risk simulator, rational regular polygon sliding sketcher, and PDF calculus notes. Alexander, who believes that "mathematics is beautiful, and should be taught as an abstract, axiomatic art," used to teach 11th and 12th grade math at Veritas Preparatory Academy, which styles itself after the "Great Books" curriculum of St. John's College.
Levels: High School (9-12)
Languages: English
Resource Types: Course Notes, Problems/Puzzles, Web Interactive/Java
Math Topics: Basic Algebra, Linear Algebra, Calculus (Single Variable), Pre-Calculus, Data Analysis, Probability, Statistics
Math Ed Topics: Non-traditional, Problem-Solving

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