# Mathematician:John Napier

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## Contents

## Mathematician

Scots mathematician famous for his development of natural logarithms.

## Nationality

Scottish

## History

- Born: 1550, Merchiston Castle, Edinburgh, Scotland
- Died: 4 April 1617, Edinburgh, Scotland

## Theorems and Definitions

- Napier's Bones
- Natural (Napierian) logarithms
- Napier's Constant (better known as Euler's Number)
- Napier's Rules for Right Angled Spherical Triangles
- Napier's Analogies

Results named for **John Napier** can be found here.

Definitions of concepts named for **John Napier** can be found here.

## Publications

- 1593:
*Plaine Discovery of the Whole Revelation of St. John* - 1614:
*Mirifici logarithmorum canonis descriptio*(in which natural logarithms appear) - 1617:
*Rabdologiae*(in which Napier's Bones are described)

## Also known as

**John Napier'**s name is spelt variously as **Jhone**, and **Napeir**, **Nepair**, **Nepeir**, **Neper**, **Napare**, **Naper**, **Naipper**.

## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): A List of Mathematicians in Chronological Sequence - 1989: Ephraim J. Borowski and Jonathan M. Borwein:
*Dictionary of Mathematics*... (previous) ... (next): Entry:**Napier, John**(1550-1617) - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): A List of Mathematicians in Chronological Sequence - 2008: David Nelson:
*The Penguin Dictionary of Mathematics*(4th ed.) ... (previous) ... (next): Entry:**Napier, John**(1550-1617) - 2008: Ian Stewart:
*Taming the Infinite*... (previous) ... (next): Chapter $5$: Eternal Triangles - 2014: Christopher Clapham and James Nicholson:
*The Concise Oxford Dictionary of Mathematics*(5th ed.) ... (previous) ... (next): Entry:**Napier, John**(1550-1617)