# Changelog
## [0.2.0] - 2026-02-09
### Fixed
- Return Nan instead of panic when using newton's method
### Added
- Add variety of functions inverting to Mach number
- Add derivatives of compressible functions
## [0.1.2] - 2024-12-20
### Fixed
- Bug in use of Newton's method in `mach_from_a_ac`. Replaced with bisection
algorithm.
## [0.1.1] - 2023-04-15
### Fixed
- Improved documentation
## [0.1.0] - 2023-04-14
- Initial release