Chi (letter)
From Wikinfo
| |||
| Greek alphabet | |||
|---|---|---|---|
| Αα | Alpha | Νν | Nu |
| Ββ | Beta | Ξξ | Xi |
| Γγ | Gamma | Οο | Omicron |
| Δδ | Delta | Ππ | Pi |
| Εε | Epsilon | Ρρ | Rho |
| Ζζ | Zeta | Σσς | Sigma |
| Ηη | Eta | Ττ | Tau |
| Θθ | Theta | Υυ | Upsilon |
| Ιι | Iota | Φφ | Phi |
| Κκ | Kappa | Χχ | Chi |
| Λλ | Lambda | Ψψ | Psi |
| Μμ | Mu | Ωω | Omega |
| Obsolete letters | |||
| File:Digamma uc lc.svg | Digamma | File:Qoppa uc lc.svg | Qoppa |
| File:San uc lc.svg | San | File:Sampi uc lc.svg | Sampi |
| Other characters | |||
| File:Stigma uc lc.svg | Stigma | File:Sho uc lc.svg | Sho |
| File:Heta uc lc.svg | Heta | ||
| Greek diacritics | |||
Chi (uppercase Χ lowercase χ), is the letter of the Greek alphabet, used to represent the "[kʰ]" sound in Greek. In the system of Greek numerals it has a value of 600. Letters that came from it include the Roman H and Cyrillic Х.
The upper-case letter Χ is used as the symbol for:
- The name of Jesus Christ in Christianity, as in X-mas etc.
The lower-case letter χ is used as the symbol for:
- The chi-square distribution in statistics.
- The electric susceptibility in physics.
- The chromatic number of a graph in graph theory.
References
- Adapted from the Wikipedia article, "Chi_(letter)" http://en.wikipedia.org/wiki/Chi_(letter), used under the GNU Free Documentation License
