::: {.cell hash='02_R_introduction_cache/revealjs/unnamed-chunk-27_1ada7b5f0b15ceb6bd97fa6dc75d773b'}

```{.r .cell-code}
sqrt(2)^2 - 2
```

::: {.cell-output .cell-output-stdout}
```
[1] 4.440892e-16
```
:::
:::