# Standard Library

_NOTE: Implementation and the interface of these standard libraries are still **experimental** and there might be some breaking changes in the future releases._

- [math](https://github.com/d5/tengo/blob/master/docs/stdlib-math.md)
- [os](https://github.com/d5/tengo/blob/master/docs/stdlib-os.md)
- [exec](https://github.com/d5/tengo/blob/master/docs/stdlib-exec.md)