Xi

Xi (upper case Ξ, lower case ξ) is the 14th letter of the Greek alphabet. It is pronounced ksee by modern Greeks. In the system of Greek numerals it has a value of 60.

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The lower-case letter ξ is used as a symbol for:

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• Random Variables
• Extent of Reaction (a topic found most often in chemical engineering kinetics)

The upper-case letter Ξ is used as symbol for:

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• The 'cascade particles' in particle physics.

Greek alphabet: The Greek language is written in the Greek alphabet, developed in classical times (ca 9th century B.C.) and passed down to the present. It is the world's oldest alphabet in use today. In ancient Greece its letters were also used to represent numbers, called Greek numerals, analogous to Roman numeral...

Greeks: :For other uses of the name "Greek", see Greek (disambiguation)...

Greek numerals: Greek numerals are a system of representing numbers using letters of the Greek alphabet. In modern Greece, they are still in use for ordinal numbers, and in much the same situations as Roman numerals are in the West; for ordinary numbers, Arabic numerals are used....

Xi related Images and Photos (experimental)

Transit XI	Essence XI	Tribeca XI	Charles Xi
Pope Pius XI	Star Trek XI	Star Trek XI - Delta Shield	Star Trek XI - Delta Shield
Terracotta Warriors of Xi'an Xi'an China	Star Trek XI Warp Wired Keyboard	Youth: Star Trek XI - Kirk Shadows	Star Trek XI Warp Wireless Keyboard