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In 1966, [1] Canadian Jacob E. Funk, an employee of Dell Magazines, came up with the original English name Cross Sums [2] and other names such as Cross Addition have also been used, but the Japanese name Kakuro, abbreviation of Japanese kasan kurosu (加算クロス, "addition cross"), seems to have gained general acceptance and the puzzles ...
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Conway's Game of Life and fractals, as two examples, may also be considered mathematical puzzles even though the solver interacts with them only at the beginning by providing a set of initial conditions. After these conditions are set, the rules of the puzzle determine all subsequent changes and moves.
Example grid for a cross-figure puzzle with some answers filled in. A cross-figure (also variously called cross number puzzle or figure logic) is a puzzle similar to a crossword in structure, but with entries that consist of numbers rather than words, where individual digits are entered in the blank cells.
The Game of Trees is a Mad Math Theory That Is Impossible to Prove. The Collatz Conjecture. In September 2019, news broke regarding progress on this 82-year-old question, thanks to prolific ...
It was released in North America as Personal Trainer: Math on January 12, 2009 [2] and also in South Korea in 2009. The game is part of both the Touch! Generations and Personal Trainer series. [3] The game received mixed reviews, with common criticisms cited for the game's difficulty in recognizing some numbers and for not being very ...
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The game-play mechanic is based loosely on that of the arcade game Missile Command, but with comets falling on cities, rather than missiles.Like Missile Command, players attempt to protect their cities, but rather than using a trackball-controlled targeting cross-hair, players solve math problems that label each comet, which causes a laser to destroy it.