Manage Multiple Currencies

It looks like you can still only use one currency at a time in PI. I would like for it to be possible to have multiple currencies enabled since we are an international organization. For example, in Salesforce we are able to use EUR (€) as the currency on an opportunity and also show the contract value in USD ($) after an exchange rate is applied in the system. The opportunity close date determines which conversion rate to use when displaying currency amounts. In PI the project start date could determine what conversion rate to use. Perhaps I am getting a bit prescriptive here though.