natural_constants 0.2.0

Pre-defined constants from all disciplines (math, physics, ...)
Documentation
# Change Log

## 0.2 - 2022-10-11
Make chemistry::AtomInfo iterable, update to Rust 2021

# 0.1.1 - 2017-11-07
Chemistry: fix radium's subcategory

## 0.1 - 2017-02-20
First public release