Symbols:Abstract Algebra

$$+$$

Often used to denote:


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

It's LaTeX code is "+".

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

$$+_n$$

Addition modulo $$n$$.

It's LaTeX code is "+_n".