another Greek Alphabet

Learn the upper and lower cases of the Greek Alphabet.
It may be all Greek to you, but many letters in the Greek Alphabet are commonly used in engineering, math, and science, so it may be more important and useful than you think. 

Ever heard of pi? No, not pie, like apple pie, but pi, as in pi = 3.14
Well, pi is a letter in the Greek Alphabet.


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