Omicron
From Wikipedia, the free encyclopedia.

Omicron (Ο ο) is the 15th letter of the Greek alphabet and has a numeric value of 70.

The upper-case letter Ο is used as a symbol for:

• The Big O notation, representing the asymptotic rate of growth of a function in mathematics.

The original article can be found at: http://en.wikipedia.org/wiki/Omicron.
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