[maest]

That is not a viable alternative.

[serial_dev]

Even though my gut reaction is to agree with you, it’s true that it is an app design decision, so in certain scenarios it might very well be a good design decision.

[tightbookkeeper]

Shipped applications disagree with you.

[dmoy]

It really depends on the context of the app

Sometimes you can do all calculations in a single currency and convert at reporting time. I've worked on teams where that was fine.

Sometimes... you really cannot do that.

[tightbookkeeper]

Completely agree.