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The oldest known reference to it is in the "Summa de Arithmetica" by Luca Pacioli dated to 1494 AD, however it is beleived to have been in use for some time before that.

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Q: Who invented the rule of 72?
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Related questions

Who discovered the rule of 72?

Albert Einstein


How long did asoka rule?

72 years


When was the slide rule invented?

AnswerThe slide rule was invented by William Oughtred in 1625. AnswerWe do not know the precise year. A circular slide rule was invented by William Oughtred some time about 1620, and a design of a similar slide rule by Delamain was printed in about 1630. The straight slide rule seems to have been invented later, some time around 1650.


Who invented the slide rule in 1632?

The slide rule was invented by William Oughtred some time about 1620 or 1625.


What are the release dates for The Girl's Guide to Depravity - 2012 Rule 72 The Unavailable Rule 1-10?

The Girl's Guide to Depravity - 2012 Rule 72 The Unavailable Rule 1-10 was released on: USA: 30 March 2012 Japan: 15 September 2012


What is rule 72?

How long it will take for your money to double/divide the annual interest rate into 72.


How long does Oxycontin stay in urine?

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How long did Louis XVI rule for?

About 18 years.


Who invented slide rule?

a person invented it. i do abid you a good day now.


What is the best definition of the rule 72?

The best definition for 72 is the number before 73 and after 71.


Why should a consumer know and understand the rule of 72?

Rule of seventy two is used to ascertain the period by which an investment would grow by 100%. 72 divided by rate of interest would provide the approximate period by which the investment would become double. As an example, if the rate of interest is 6% per month, the investment would be doubled in ( 72/6) 12 months. Rule of 72 thus is an important tool to know the investment horizon.


Who came up with the rule of 72?

Benjamin Franklin came up with this equation.