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Martin's Maths
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The Arts, Fun and Entertainment
The Arts, Fun and Entertainment (1)
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Bend your brain
Digits of π
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A Wacky Circle
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The Arts, Fun and Entertainment (2)
The Witch of Agnesi
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Two More Number Problems
Great Circle Routes
Great Circle Routes - the Maths
Easier than it looks!
What's Your Number?
Taxicab Numbers
Taxicab Numbers Explained
Deficient, Abundant and Perfect Numbers
Deficient Numbers
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Martin's Maths
Deficient Numbers
Deficient Numbers.pdf
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Deficient Numbers.pdf