The PyPPR package is a collection of financial functions regarding PPRs, or Planos
Poupança Reforma, which are retirement plans specific to Portugal.
The documentation for this package is available at https://goncalovf.github.io/pyppr/ and the source code at https://github.com/goncalovf/pyppr
The importable name of the package is pyppr.
>>> import pyppr
>>> npf.matching_ppr_cost_rate(20, 0.07, 0.28, 0.08, 0)
0.0048310556726159914