Symbol in context

$m^2$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Meanings in context

Article-grounded definition

the square of m; the number of steps.

P^\mu P_\mu=m^2c^2

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

m^2

the square of m; the number of steps.