# quar (a, b, c, d, e)

**quar (a, b, c, d, e) → List of number**

The provided function calculates and lists the x values of a fourth-degree equation, given in the form of ax^4 + bx^3 + cx^2 + dx + e = 0, where a, b, c, d, and e are provided within the function.

**Example:**

```xml
<O N="quarObject1" T="Project" Category="Functions" TransAlignRule="1">
    <!-- created by ParamML Examples on 8/23/2023 -->
    <P N="x" V="quar(5,10,1,3,8)" />
</O>
```

![](https://openbrim.atlassian.net/wiki/download/attachments/2167668861/image-20230823-152709.png?api=v2) To view this example in the library, see (<https://openbrim.org/app/?incubator=1&author=ParamML_Examples_OpenBrIM+Platform&obj=objidl656hq3ra19x6tuoybuq4n> )