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Significant figures: David Singmaster (1938–2023)
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Christmas competition #2: ‘More geometry snacks’
Win this year's best book of geometry puzzles
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Hugh Duncan explores polygons with a shortage of edges
Pretty pictures in the complex plane
Contemplate the beauty of the Julia and Mandelbrot sets and an elegant mathematical explanation of them
Origami tesseract
Folding origami, building networks, making projections and multiple dimensions!
Puzzles about calculus
Can you solve these puzzles about differentiation and integration?
