Annual percentage rate calculator

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Annual percentage rate calculator

Java library to solve numerical equation for APR. This project is going to fulfill problem stad in the EU regulations: directives 2008/48/EC and 2011/90/EU, fully in force in all member states since 2013.

Tests are based on various companies public data published on web sites.

The mathematical formula for APR is definied here: https://en.wikipedia.org/wiki/Annual_percentage_rate