> My money's on BigIntegers: https://msdn.microsoft.com/en-us/library/system.numerics.big... https://msdn.microsoft.com/en-us/library/system.numerics.big..., us

> My money's on BigIntegers: https://msdn.microsoft.com/en-us/library/system.numerics.big... https://msdn.microsoft.com/en-us/library/system.numerics.big..., using some sort of subdivision of cents as the base unit (1/1000ths of cents?) I was thinking something along these lines too. Would love to know what they used and the justifications behind their decision.