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Programming Enigma Puzzles

12 May 2017

Posted by on **From New Scientist #1545, 29th January 1987** [link]

In the addition sum below, each of the digits from 0 to 9 has been replaced by a letter whenever it occurs. Different letters stand for different digits. You are asked to reproduce the original sum.

[enigma395]

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11 November 2016

Posted by on **From New Scientist #1519, 31st July 1986** [link]

In the subtraction sum below, each of the digits from 0 to 9 has been replaced by a letter wherever it occurs. Different letters stand for different digits. You are asked to reproduce the original sum. Leading zeros are not allowed. M is bigger than R, and C is bigger than E.

[enigma370]

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