#### <em>function</em> <strong>`+`</strong>

**Syntax:** <strong>`+`</strong> &rest <em>numbers</em> => <em>number</em>

**Description:**

The function `+` returns the sum of the arguments. If there are no arguments, the result is `0`, which is an identity for this operation.

*Text from [CLTL2](http://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node125.html). Edited for clarity, not content.*

**Examples:**

```lisp
(+ 1 1) => 2

(+ 1.0 1) => 2.0
```
