## Zeta4

`Zeta4` denotes `Zeta[4]`.

### See also

[Overview](Extra/FeynCalc.md), [Zeta2](Zeta2.md), [Zeta6](Zeta6.md), [Zeta8](Zeta8.md), [Zeta10](Zeta10.md).

### Examples

```mathematica
Zeta4
```

$$\zeta (4)$$

```mathematica
N[Zeta4]
```

$$1.08232$$

```mathematica
SimplifyPolyLog[Pi^4]
```

$$90 \zeta (4)$$

```mathematica
Conjugate[Zeta4]
```

$$\zeta (4)$$