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Category: Mathematics

Digit Sums and Cyclic Patterns Jan 2023

  • khoitsma
  • Concept, Mathematics
  • 0 Comments

Excerpt from the paper

‘This simple pattern may be recalled when students are first exposed to cosets and quotient groups much later in their academic career, as the set {2, 8} is one of six cosets in the quotient group C12/{0, 6}.’

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Monty Hall — Consider Only Strategy Dec 2022

  • khoitsma
  • Concept, Probability/Statistics
  • 1 Comment

And what’s the chance it’s a yellow car?


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Rechnen, Multiplizieren und Addieren Nov 2022

  • khoitsma
  • Kids (middle school and up), Mathematics, Mental Math
  • 0 Comments

Sum the numbers — let me count the ways

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Easy Section Properties for Array of Points © Oct 2022

  • khoitsma
  • AISC, Concept, Engineering, Mathematics, Steel Detail
  • 0 Comments

Based on finite calculus


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OEIS Triangle to Square Sep 2022

  • khoitsma
  • Kids (middle school and up), Mathematics
  • 0 Comments



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Interesting Websites Aug 2022

  • khoitsma
  • General, Mathematics, Science
  • 0 Comments



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