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Why is there an “R” in DR?

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    Debit and credit are two commonly used words in accounting. They are abbreviated “dr” and “cr” when we use them in a shorthand format. By why would debit have an “R” in it? These two words (debit and credit) are derivations of Latin words (debitur and creditur). When Luca Pacioli (an Italian friar and mathematician who taught mathematics to Leonardo da Vinci) developed the double entry bookkeeping system in 1494 (two years after Columbus discovered America), he used the Italian to language to document his double entry bookkeeping system, the same system we still use worldwide today! So where did the “R” is Mrs. Come from?


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