Mon 2023-05-15 . 09:28 AMSwitch the knights. Mon 2023-05-15 . 09:27 AMThree-page embedding of graphs and knots. Mon 2023-05-15 . 09:27 AMPtolemy theorem with complex numbers. Mon 2023-05-15 . 09:27 AMHero's formula - a complex numbers proof. Mon 2023-05-15 . 09:26 AMFlip graphs of convex polygons. Fri 2023-05-12 . 01:35 AMPython exercise 1. Thu 2023-05-11 . 11:51 AMWhen is a group a union of 3 proper subgroups? Thu 2023-05-11 . 11:51 AMWhat the shape: A dangling rope. Thu 2023-05-11 . 11:51 AMReassembling a cube. Thu 2023-05-11 . 11:51 AMRolling a coin around other coins.

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