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Triangular number patterns

There are triangular numbers hiding all over the standard multiplication table! Find out how to discover them in this article!
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Welcome to the world of symmetry

Explore the mathematical study of symmetry with this collection of content, which includes short introductions, in-depth articles, a podcast, and some magic!

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R's not all you need

When it comes to loosening COVID restrictions all eyes are usually on R — but it's also important to take account of prevalence.