[Greeklawyer]

Many software websites in europe sell their products as
one dollar equals one euro.

I think european technocrats want a 1 to 1 ratio.

[RightWhale]

When the Canadian dollar was within 10% of the $US, sometimes higher, sometimes lower, they were accepted in neighboring states as equal, especially in stores. Once they drifted apart enough, many merchants in the US stopped accepting Canadian money at all. The $EU is probably close enough to the $US that it doesn't matter which is used right now.