# Who did John Napier marry?

## Who did John Napier marry?

Elizabeth Stirlingm. 1572–1579
John Napier/Spouse

## How old was John Napier when he died?

67 years (1550–1617)
John Napier/Age at death

Where did John Napier live?

Edinburgh
John Napier/Places lived

In 1571, Napier, aged 21, returned to Scotland, and bought a castle at Gartness in 1574. On the death of his father in 1608, Napier and his family moved into Merchiston Castle in Edinburgh, where he resided the remainder of his life.

What did John Napier do for a living?

John Napier, Napier also spelled Neper, (born 1550, Merchiston Castle, near Edinburgh, Scot. —died April 4, 1617, Merchiston Castle), Scottish mathematician and theological writer who originated the concept of logarithms as a mathematical device to aid in calculations.

### When did John Napier marry Agnes?

Nothing is known of this person except that she is mentioned in a document dated 1595. Agnes. Baptised 18 September 1575. Married (contract dated 14 June and 11 July, 1620) George Drummond of Balloch.

### What made John Napier famous?

John Napier was a Scottish scholar who is best known for his invention of logarithms, but other mathematical contributions include a mnemonic for formulas used in solving spherical triangles and two formulas known as Napier’s analogies.

Why did Napier invented logarithms?

The Scottish mathematician John Napier published his discovery of logarithms in 1614. His purpose was to assist in the multiplication of quantities that were then called sines. The whole sine was the value of the side of a right-angled triangle with a large hypotenuse.

What did John Napier discovered?

Logarithm
Napier’s bonesPromptuary
John Napier/Inventions

#### How did John Napier discovered logarithms?

Napier generated numerical entries for a table embodying this relationship. He arranged his table by taking increments of arc θ minute by minute, then listing the sine of each minute of arc, and then its corresponding logarithm.

#### What did Blaise Pascal invent?

Pascal’s calculator
Blaise Pascal/Inventions
Pascal invented the first digital calculator to help his father with his work collecting taxes. He worked on it for three years between 1642 and 1645. The device, called the Pascaline, resembled a mechanical calculator of the 1940s.

What is the meaning of Napier?

Napier /ˈneɪpɪər/ is a surname with an English, Scottish, French or Polish origin. The British surname Napier is derived from an occupational name for someone who sold or produced table linen; or for a naperer which was a servant who was responsible for the washing and storage of linen in a medieval household.

What does a logarithm find?

logarithm, the exponent or power to which a base must be raised to yield a given number. Expressed mathematically, x is the logarithm of n to the base b if bx = n, in which case one writes x = logb n. For example, 23 = 8; therefore, 3 is the logarithm of 8 to base 2, or 3 = log2 8.

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