Cryptarithms

All the following Cryptarithms (aka Alphametics) were invented by me, or rather, by programs (Turbo Prolog of course!) written by me. Each has a unique solution (unless otherwise stated) with no leading zeroes.

American States

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American Presidents

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Planets

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Fruit

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Numbers

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Greek Letters

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Elements

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Colours of the Rainbow

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European Countries

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"Doubly correct" multiplications

English:
French:
Roman:

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Magic Squares

In these, each letter represents a different digit from 0 to 9. The four digits in each row, and the four digits in each column, add up to the same number. This sum is also given below (in letter-form).

This has 6 solutions:
ELMS
REIN
ANTI
STEP

Sum = ET
This has 1 solution:
SHOP
PIPE
AREA
RENT

Sum = TO
This has 1 solution:
SCAN
POLE
AREA
REST

Sum = NL

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