# Currency

## Introduction
A library that provides metadata for current and historic currencies:

* ISO 4217 currency codes and numbers
* Currency signs, both official and unofficial
* The number of decimals a currency has
* Where (ISO 3166 country codes) and when (ISO 8601 dates) currencies were and
  are used
* Fixed exchange rates (usually historic)

## Usage

* Currencies can be loaded through `\Commercie\Currency\ResourceRepository`.
* `\Commercie\Currency\InputInterface` is capable of parsing user-input numbers.