Tau

see also: Etymology of Tau

Tau (capital tiny Τ , τ ), in Greek ταῦ , letter of the Greek alphabet is the nineteenth. In Greek numeration, tau is worth 300.

In Greek old as in Greek modern, tau decides /t/, as in French.

Via the Etruscan Alphabet, it gave the T Latin alphabet.

Use

Tiny the τ is used to represent:

In Mathematical,

the Coefficient of correlation in Statistical;
the Golden section 1,618… (although the letter Φ is more often used);

In Physical,

In Mechanical, a Moment, a force of Rotation;
In Physical of the particles, the Tauon, an elementary particle;
lifespan of a process of spontaneous emission;
In Physical and electronic, a time-constant (for example in a Circuit RC);

In Chemistry, the Rate of advance of a limited chemical reaction;
In Astronomy, a measurement of the Opacity of the atmosphere;
In Biology, it acts of a Protéine implied in the degeneration neuronal E at the time of the Maladie of Alzheimer;
a old Symbol sometimes represented like a cross. See the article St. Anthony's cross.
In Heraldic, for the Distinguished soldiers or Virgin S, the tau is used to indicate a unit of the Arme of the transmissions.

In Hebrew alphabet, the letter Tav is written in the form of a T reversed.

In mathematics, the Tau capital letter reversed is used to represent a perpendicular.

Random links:

Barneville-la-Bertran | Juan Radcliffe (mÃ©dico inglÃ©s) | Taylor Will rivet | The Key of glass (film) | Ultra 5 | WITH Q Renkan Awa | Taureau_de_Bristol