Tau

Tau (Τ τ) is the 19th letter of the Greek alphabet and has a numeric value of 300.

τ is used as a symbol for:

• Torque, the rotational force.
• Tau, the subatomic particle.

• Alpha - Beta - Gamma - Delta - Epsilon - Digamma - Zeta - Eta - Theta - Iota - Kappa - Lambda - Mu - Nu - Xi - Omicron - Pi - San - Qoppa - Rho - Sigma - Tau - Upsilon - Phi - Chi - Psi - Omega - Sampi