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# XCFun: A library of exchange-correlation functionals with arbitrary-order derivatives

Copyright Ulf Ekström and [contributors](.zenodo.json) 2009-2020.


## License

XCFun is licensed under version 2.0 of the Mozilla Public License
([MPLv2.0](https://www.mozilla.org/en-US/MPL/2.0/)), see
[LICENSE.md](LICENSE.md).


## Documentation

The documentation is available at https://xcfun.readthedocs.io.

XCFun can be installed with popular package managers:
  - [Spack](https://spack.io): https://xcfun.readthedocs.io/en/latest/using.html#installing-using-spack
  - [Conda](https://docs.conda.io): https://xcfun.readthedocs.io/en/latest/using.html#installing-using-conda
