Cryptarithms are calculations in which the digits have been replaced by letters. A number is always replaced with the same letter, and no two digits are replaced by the same digit, so a letter always represents one digit.
The dutch daily newspaper De Telegraaf used to run a cryptarithm in its saturday addendum. If I remember correctly, the cryptarithms used to have this format:
You can check your solution here
You can find more cryptarithms in my upcoming e-book on number puzzles.
justpuzzles 