# This week in Nu #61
- morbatex added [rounding functionality](https://github.com/nushell/nushell/pull/2672)
- rjboas added [the Tau constant to math](https://github.com/nushell/nushell/pull/2673)
- fdncred added [the ability configure how filesizes are displayed](https://github.com/nushell/nushell/pull/2676), and [more number formatting](https://github.com/nushell/nushell/pull/2681), added [more table themes](https://github.com/nushell/nushell/pull/2686)
- JosephTLyons added [pretty printing to `to md`](https://github.com/nushell/nushell/pull/2678)
- LhKipp improved [the parser implementation](https://github.com/nushell/nushell/pull/2679), and landed [a new type inference RFC](https://github.com/nushell/rfcs/pull/4)
- EverlastingBugstopper fixed [a typo](https://github.com/nushell/nushell/pull/2682)
- andrasio did [some cleanup of how commands are tested and implemented](https://github.com/nushell/nushell/pull/2683), improved [the `flatten` command](https://github.com/nushell/nushell/pull/2684), added [appending row literals](https://github.com/nushell/nushell/pull/2693)
- fdncred and JosephTLyons fixed issues where [filesize wasn't displayed properly](https://github.com/nushell/nushell/pull/2688)
- gillespiecd and fdncred improved [weather symbols](https://github.com/nushell/nushell/pull/2691)
- arnau fixed [out-of-date command info in the cookbook](https://github.com/nushell/cookbook/pull/19), and [out-of-date issues in the book](https://github.com/nushell/book/pull/140) (also [here](https://github.com/nushell/book/pull/138) and [here](https://github.com/nushell/book/pull/136) and [here](https://github.com/nushell/book/pull/135)
- warrenseine added [more equivalent commands in the book](https://github.com/nushell/book/pull/139)
- HaramanJohal fixed [a lot of typos and awkward wording in the contributor book](https://github.com/nushell/contributor-book/pull/31)