The official currency is the Swiss Franc (CHF), divided into 100 rappen (German) or centimes (French). Although not part of the EU, many prices are nonetheless indicated in Euros and some merchants may accept Euros. Credit cards are widely accepted and ATMs are widespread; many are equipped with the Cirrus or Maestro system. Banks offer the best exchange rates, but it is also possible to exchange money at major hotels, main train stations and airports. Banks are open Monday to Friday.