Greek Alphabet

The Greek alphabet is widely used in mathematics and science to denote different variables and constants. The 24 letters of the Greek alphabet are:

  1. Alpha (α) - uppercase: Α
  2. Beta (β) - uppercase: Β
  3. Gamma (γ) - uppercase: Γ
  4. Delta (δ) - uppercase: Δ
  5. Epsilon (ε) - uppercase: Ε
  6. Zeta (ζ) - uppercase: Ζ
  7. Eta (η) - uppercase: Η
  8. Theta (θ) - uppercase: Θ
  9. Iota (ι) - uppercase: Ι
  10. Kappa (κ) - uppercase: Κ
  11. Lambda (λ) - uppercase: Λ
  12. Mu (μ) - uppercase: Μ
  13. Nu (ν) - uppercase: Ν
  14. Xi (ξ) - uppercase: Ξ
  15. Omicron (ο) - uppercase: Ο
  16. Pi (π) - uppercase: Π
  17. Rho (ρ) - uppercase: Ρ
  18. Sigma (σ/ς) - uppercase: Σ Note: Sigma has a special form (ς) used only at the end of words.
  19. Tau (τ) - uppercase: Τ
  20. Upsilon (υ) - uppercase: Υ
  21. Phi (φ) - uppercase: Φ
  22. Chi (χ) - uppercase: Χ
  23. Psi (ψ) - uppercase: Ψ
  24. Omega (ω) - uppercase: Ω

Each of these letters is commonly used to represent different quantities in mathematics and science. For example, the Greek letter π (pi) is used to represent the ratio of the circumference of a circle to its diameter in mathematics, while Ω (omega) is used to represent ohms, the unit of electrical resistance, in physics.