# += operator

Source: https://ref.dm-lang.org/operator/plusequals

### Format
> `A += B`

Set A equal to A + B. It is shorthand for A = A + B.

If A is an /icon, /matrix, pixloc, or vector, it will be changed rather than creating a new value and re-assigning it to A.

### See also
- [\*= operator](https://ref.dm-lang.org/operator/asteriskequals.md)
- [+ operator](https://ref.dm-lang.org/operator/plus.md)
- [-= operator](https://ref.dm-lang.org/operator/minusequals.md)
- [/= operator](https://ref.dm-lang.org/operator/slashequals.md)
- [= operator](https://ref.dm-lang.org/operator/equals.md)
- [operators](https://ref.dm-lang.org/operator/index.md)