Teo Lachev pulls out the money clip:
Currency conversion is a common requirement, such as when implementing analytics on top of ERP sales data recorded in multiple currencies. The most flexible approach is to allow the user to select a currency and perform the conversion at runtime, ideally by centralizing the conversion code in Power BI calculation groups. However, this approach has several shortcomings:
Read on for those shortcomings, as well as an approach Teo has to improve things.