Xi
(Redirected from Xi (letter))
Xi (upper case Ξ, lower case ξ) is the 14th letter of the Greek alphabet. In the system of Greek numerals it has a value of 60.
The lower-case letter ξ is used as a symbol for:
- Random Variables
- Extent of Reaction (a topic found most often in chemical engineering kinetics)
The upper-case letter Ξ is used as symbol for:
- The 'cascade particles' in particle physics.
Categories: Greek letters