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Great Runes
n. Uppercase-only text or display messages. Some
archaic operating systems still emit these. See also {runes},
{smash case}, {fold case}.
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View Definition: pseudoprime

pseudoprime n. A backgammon prime (six consecutive occupied
points) with one point missing. This term is an esoteric pun
derived from a mathematical method that, rather than determining
precisely whether a number is prime (has no divisors), uses a
statistical technique to decide whether the number is `probably'
prime. A number that passes this test is called a pseudoprime.
The hacker backgammon usage stems from the idea that a pseudoprime
is almost as good as a prime it does the job of a prime until
proven otherwise, and that probably won't happen.