Anything used as a medium of exchange, a unit of accounting, and a store of value (base unit = 'XXX').

Notes

• In using the base unit XXX we interpret ISO 4217 to mean "unspecified currency" and thus we can use this unit whenever we refer to some general currency unit.


• In Wolfram System Modeler, the symbol ¤ is used in Model Center and Simulation Center.

Money	Quantity: "Money" Unit: ¤

• Modified unit = "XXX" in v2.2.