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<h1 id="function-or">Function or <a href="#function-or" title="Permalink">#</a></h1>

Logical `or`. Test if at least one value is defined with a nonzero/nonempty value.
For matrices, the function is evaluated element wise.


<h2 id="syntax">Syntax <a href="#syntax" title="Permalink">#</a></h2>

```js
math.or(x, y)
```

<h3 id="parameters">Parameters <a href="#parameters" title="Permalink">#</a></h3>

Parameter | Type | Description
--------- | ---- | -----------
`x` | number &#124; BigNumber &#124; bigint &#124; Complex &#124; Unit &#124; Array &#124; Matrix | First value to check
`y` | number &#124; BigNumber &#124; bigint &#124; Complex &#124; Unit &#124; Array &#124; Matrix | Second value to check

<h3 id="returns">Returns <a href="#returns" title="Permalink">#</a></h3>

Type | Description
---- | -----------
boolean &#124; Array &#124; Matrix |  Returns true when one of the inputs is defined with a nonzero/nonempty value.


<h3 id="throws">Throws <a href="#throws" title="Permalink">#</a></h3>

Type | Description
---- | -----------


<h2 id="examples">Examples <a href="#examples" title="Permalink">#</a></h2>

```js
math.or(2, 4)   // returns true

a = [2, 5, 0]
b = [0, 22, 0]
c = 0

math.or(a, b)   // returns [true, true, false]
math.or(b, c)   // returns [false, true, false]
```


<h2 id="see-also">See also <a href="#see-also" title="Permalink">#</a></h2>

[and](and.html),
[not](not.html),
[xor](xor.html)