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The Case for CAS
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Examples to illustrate the change in teaching with CAS
Part 1: Ages 15-17
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Parabolas
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Greatest common divisor and least common multiple, a plea for pure mathematics
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Heron's formula
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Exploring the binomial theorem
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Trivialisation and dynamisation
Part 2: Ages 17-19
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Optimisation
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Elimination of parameters and substitution with CAS
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CAS your girl friend
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A special attribute of triangles with their vertices on an equilateral hyberbola
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Exploring functions with CAS
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You must still think yourself, CAS can only help
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