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Q: How old was John Napier when he invented logarithms?
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What John Napier invented in 1614?

John Napier is best known as the discoverer of logarithms. He was also inventor of Napier's Bones. Which were multiplication tables written on strips of wood or bones. The invention was used for multiplying, dividing, and taking square roots and cube roots. He also made common the use of the decimal point in math.


What are the advantages of napier bone?

Napier's Bones are an old name for the slide rule, a mechanical method of rapidly doing mathematical operations using logarithms expressed as a divided line.


How old is John Napier Turner?

John Napier Turner is 86 years old (birthdate: June 7, 1929).


How old is Mark Napier?

Mark Napier is 54 years old (birthdate: January 28, 1957).


How old is Jessica Napier?

Jessica Napier is 32 years old (birthdate: April 4, 1979).


How old is Shabazz Napier?

Shabazz Napier is 25 years old (born July 14, 1991).


How old is Alan Napier?

Alan Napier was born on January 7, 1903 and died on August 8, 1988. Alan Napier would have been 85 years old at the time of death or 112 years old today.


How old was Alan Napier at death?

Alan Napier died on August 8, 1988 at the age of 85.


How old is James napier?

I guess he is 29


What was the age of John Thurman when he invented the vacuum cleaner?

John Thurman was 40 years old when he invented the vacuum cleaner in 1899.


Who invented the frisbee as a weapon in old China?

John Wayne


How old is Oliver Napier?

Sir Oliver Napier was 75 years old (9 days short of 76) when he died on July 2, 2011 (born July 11, 1935).