Mathematicians like fancy symbols and never seem to have enough of
them. The Greek Alphabet has been used in mathematics for many
hundreds of years. If you see a Greek letter you shouldn't be
frightened of it; it is just another letter. Sometimes it is helpful
to know its name however. In the following table, you should be able to
see the full range of letters, but not all the variations may show on your
sound given here is very approximate.