Best Answer

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.

Q: Who invented the rule of 72?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

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.

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

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

Benjamin Franklin came up with this equation.

the number of years it takes for your money to double can be estomated by dividing 72 by the annual percentage interest rate.

Related questions

Albert Einstein

72 years

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

it wasnt 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.

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

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

There's no specific group or individual who invented the five second rule. Instead, the five second rule was part of folklore and it is a myth.

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

As a general rule.....72 hours.

About 18 years.

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