Symbols:Abstract Algebra

$$+$$

Often used to denote:


 * The binary operation in a general abelian group;
 * The "additive" binary operation in a general ring.

Its LaTeX code is "+".

See Set Operations and Relations and Arithmetic and Algebra for alternative definitions of this symbol.

$$+_m$$

Addition Modulo m.

Its LaTeX code is "+_m".

$$\times_m$$ or $$\cdot_m$$

Multiplication Modulo m.

The LaTeX code for $$\times_m$$ is \times_m and the LaTeX code for $$\cdot_m$$ is \cdot_m.