Tuesday, July 29, 2008

More fun with 4!

You were probably taught to write four in Roman numerals as IV.

The Romans would have written it as IIII.

The use of IV did not take hold until the Middle Ages.

Clocks use IIII instead of IV because clock faces were based on sun dials, which gets us back to the Romans

If you multiply the number 21978 by 4, it turns backwards!

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