I'm using odoo 11 and I adedd 3 currencies with their exchange rates (main currency CHF)
But in the invoices and quotations dashboards the amounts and currencies symbols show as inserted in the database for ex :
- 1000€ 
- 1500$ 
- 3000 CHF 
Total : 5200 CHF
Normally it should be 5652 CHF after conversion : (1156CHF + 1496 CHF + 3000 CHF )  but I think odoo is not managing conversions ?
