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This website is all about Equatum, the new puzzle designed by Justin Roughley which was published on 25th October 2020.
At first glance, these puzzles look like a crossword:
Instead, they are filled with numbers and arithmetic operators: + – x ÷ =. Each puzzle’s solution is a grid of intersecting equations. To solve them you'll need an unusual blend of logic, arithmetic and ingenuity!
On this website you can:
Find out about the puzzle
Discover how the puzzle was invented
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