In ERP5 you can invoice in foreign currency (learn How to invoice in foreign currency). To do your accounting in one currency, you chosen the reference currency (learn How to set accounting reference currency) and you have to configure exchange Rates.
Table of Contents
The objective is to set up the Exchange rate in the Currency record.
Illustration will be given with converting USD in EUR.
The procedure goes as follow :
You are now able to convert Invoices that have been done in foreign country