29
Aug 15

The Financial 'Times Tables' on the Cartesian Plane

I've just produced a 1 page PDF that explains the 'integer times tables' in a financial context. Sure a negative number can be likened to a debt, yet neither Brahmagupta nor Euler (or anybody else) seems to have made much sense of what a negative multiplier means.

Cartesian_Times_Tables (PDF)

Cartesian_Times_Tables

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