Greek Letter Delta (Δέλτα - Δ)


"Delta" was supposed to be a door, in Semitic "Daleth". It became tilted and one side rounded as the latin "D". The mouth of a river and maybe other triangular things are known as "deltas".

"Δ" Letter in mathematics and in science

Δ represents:

  • a finite difference
  • a difference operator
  • the Laplace operator
  • the angle that subtends the arc of a circular curve in surveying

δ represents:

  • a variation in the calculus of variations
  • the Kronecker delta function
  • the Dirac delta function
  • sensitivity to price in mathematical finance

Greek words with "δ"

δώρο, δωμάτιο

See Also:

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