Theta

Theta (capital tiny Θ , θ or ϑ ), in Greek θῆτα , of the Greek alphabet is the eighth letter. Numerically, it represents value 9.

Theta decided like one T aspired in the old Greek , but later the sound changed into, i.e. like the “  th  ” in English think or thanks , and it is currently marked in this way in the modern Greek . Its calligraphic tiny form is ϑ.

The old Cyrillic letter Fita (Ѳѳ) drift of theta.

Unicode

Use

The capital Θ is used to note:
  • In financial mathematics, Θ is the derivative of the price of an option compared to time;
  • Θ is the symbol of the Jour of the Earth;

Tiny the θ is used to note:

  • In mathematics, θ represents a plane Angle in Géométrie; θ is one of the three components of the cylindrical reference marks (R, θ, Z) and spherical (R, θ, φ).
  • In mathematics, there exist functions theta;
  • In Physical - Chemistry to note a Temperature, into Degree Celsius, T being used for the absolute temperatures (in Kelvin)
  • In quantum physics, the Espace of Hilbert breaks up into sectors of supersélection marked by a angle theta noted θ;
  • In Data-processing, and more precisely in algorithmic Complexity, to indicate the type of complexity which a function follows.
  • finances theta of It measures the cost of the passage of time on the price of an option (Greek Lettres in financial mathematics).

See too

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