Rule of 72

If you want to know how quickly your money will double at a certain interest rate, you can use the “Rule of 72”. The Rule of 72 is an invention of a fifteenth century Italian mathematician named Luca Pacioli, aka “The Father of Accounting and Bookkeeping”. Luca is quoted as saying: “A voler sapere ogni quantità a tanto per 100 l’anno, in quanti anni sarà tornata doppia tra utile e capitale, tieni per regola 72, a mente, il quale sempre partirai per l’interesse, e quello che ne viene, in tanti…

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