The 4th letter of the Greek alphabet is Delta (uppercase Δ, lowercase δ).

Quick Scoop

  • Position: Delta is the fourth letter in the standard 24-letter Greek alphabet sequence: Alpha, Beta, Gamma, Delta.
  • Symbol forms: It is written as Δ in uppercase and δ in lowercase.
  • Number value: In the system of Greek numerals, Delta has the value of 4.

Mini facts about Delta

  • Language link: The Latin letter D and the Cyrillic letter Д both historically derive from Greek Delta.
  • Modern usage: Delta is widely used as a symbol in mathematics and science, often representing change (for example, a difference between two values).

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