FeynHelpers is a collection of intefaces that allow you to use other HEP-related tools from your FeynCalc session
Switch branches/tags
Nothing to show
Clone or download
Latest commit 29be998 Oct 9, 2018



license: GPLv3 latest release compatibility

FeynHelpers is a collection of interfaces that allow you to use other HEP-related tools from your FeynCalc session.


FeynHelpers is designed as an add-on for FeynCalc. To use it you need at least FeynCalc 9.2 and Mathematica 8.

Supported tools

Tools that are currently supported are


Automatic installation

  • Run the following instruction in a Kernel or Notebook session of Mathematica


    If the above code fails with URLFetch::invhttp: SSL connect error (e.g. on Mathematica 9 under OS X), try

  • The automatic installer can also install Package-X and FIRE for you. It will offer you this possiblity at the end of the installation process

Manual installation

  • Create a directory FeynHelpers inside

     FileNameJoin[{$UserBaseDirectory, "Applications", "FeynCalc", "AddOns"}]

    and put the source code there.

  • Install Package-X and FIRE packages. It should be possible to load Package-X via


    and FIRE via

     << FIRE5`

Development version

If you like the bleeding edge and you are already using the development version of FeynCalc, you can also install the development version of FeynHelpers



For usage information see the accompanying paper arXiv:1611.06793 and the supplied examples.


If you use FeynHelpers in you work, please cite

  • V. Shtabovenko, "FeynHelpers: Connecting FeynCalc to FIRE and Package-X", Comput. Phys. Commun., 218, 48-65, 2017, arXiv:1611.06793

Also don't forget to cite the authors of the tools that you are calling from FeynHelpers, which are


  • The code of FeynHelpers is covered by the GNU General Public License 3.
  • This does not apply to the packages for which FeynHelpers provides an interface to FeynCalc. For the licensing of those packages please check the informations provided by the respective authors.