Kappa

Type it

Ways to write the Kappa symbol
Unicode	`U+03BA`
LaTeX	`\kappa`
HTML entity	`κ`
Character	`κ`

Meaning

The tenth letter of the Greek alphabet. It usually stands for the curvature of a curve, and also for a condition number or an infinite cardinal. Compare with Lambda and Rho.

How to read it

κ = 1/r

is read “kappa equals one over r”.

More Greek Letters symbols