Finding and Verifying CAS Registry Numbers® on STN®
— March 1993 —
Appendix 10 — Greek Letters
Conventions for Representing Greek Letters in Computer-Readable Files
| Symbol |
Representation |
Description |
| Α |
.ALPHA. |
Alpha |
| Β |
.BETA. |
Beta |
| Γ |
.GAMMA. |
Gamma |
| Δ |
.DELTA. |
Delta |
| Ε |
.EPSILON. |
Epsilon |
| Ζ |
.ZETA. |
Zeta |
| Η |
.ETA. |
Eta |
| Θ |
.THETA. |
Theta |
| Ι |
.IOTA. |
Iota |
| Κ |
.KAPPA. |
Kappa |
| Λ |
.LAMBDA. |
Lambda |
| Μ |
.MU. |
Mu |
| Ν |
.NU. |
Nu |
| Ξ |
.XI |
Xi |
| Ο |
.OMICRON. |
Omicron |
| Π |
.PI. |
Pi |
| Ρ |
.RHO. |
Rho |
| Σ |
.SIGMA. |
Sigma |
| Τ |
.TAU. |
Tau |
| Υ |
.UPSILON. |
Upsilon |
| Φ |
.PHI. |
Phi |
| Χ |
.CHI. |
Chi |
| Ψ |
.PSI. |
Psi |
| Ω |
.OMEGA. |
Omega |
| Symbol |
Representation |
Description |
| α |
.alpha. |
Alpha |
| β |
.beta. |
Beta |
| γ |
.gamma. |
Gamma |
| δ |
.delta. |
Delta |
 |
.vdelta. |
Delta (variant) |
| ε |
.epsilon. |
Epsilon |
 |
.vepsiln. |
Epsilon (variant) |
| ζ |
.zeta. |
Zeta |
| η |
.eta. |
Eta |
| θ |
.theta. |
Theta |
| ϑ |
.vtheta. |
Theta (variant) |
| ι |
.iota. |
Iota |
| κ |
.kappa. |
Kappa |
|
.vkapa. |
Kappa (variant) |
| λ |
.lambda. |
Lambda |
| μ |
.mu. |
Mu |
| ν |
.nu. |
Nu |
| ξ |
.xi. |
Xi |
| ο |
.omicron. |
Omicron |
| π |
.pi. |
Pi |
| ϖ |
.vpi. |
Pi (variant) |
| ρ |
.rho. |
Rho |
| σ |
.sigma. |
Sigma |
| ς |
.vsigma. |
Sigma (variant) |
| τ |
.tau. |
Tau |
| υ |
.upsilon. |
Upsilon |
| φ |
.phi. |
Phi |
| ϕ |
.vphi. |
Phi (variant) |
| χ |
.chi. |
Chi |
| ψ |
.psi. |
Psi |
| ω |
.omega. |
Omega |
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