# Matrix4i

`import { Matrix4i } from "destack:math";`

Four-by-four signed integer matrix.

```ds title="Matrix4i"
export type Matrix4i = Matrix4<int32>
```

[language/library/src/math/matrix.ds:74](https://github.com/destack-sh/destack/blob/main/language/library/src/math/matrix.ds#L74)