# Change Log AtomicWeight

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).


## [0.1.3] - 2023-01-01
- refactor interface
- add **weight(formula, element)**
- add **massPercentage(formula, element)**
- fix version number in .cpp
- update readme.md.
- update keywords.txt


## [0.1.2] - 2023-01-01
- add weight(formula) group () support
- rewrote example
- update readme.md.
- add unit tests

## [0.1.1] - 2022-12-30
- fix offset in some functions
- move code to .cpp file
- add **float weight(char \* formula)**
- refactor and clean up a bit.
- update readme.md.

## [0.1.0] - 2022-12-30
- initial release
- renamed class from AtomicWeight to PTOE.
- add **find(abbrev)**
- add examples.
- update readme.md.

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## [0.0.1] - 2022-03-09
- first light (not released)