For people wondering what the hell is Aconcagua (like me):

Aconcagua provides a model that represents measures as first class objects, that is, an object that encapsulates a number with its unit.
A more detailed description can be found in:

On Tue, Apr 21, 2015 at 6:21 PM, Sean P. DeNigris <> wrote:
Sean P. DeNigris wrote
> The package relevant to Magritte specifically is

... Aconcagua-Magritte

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