## Answer: EULER

EULER is a crossword puzzle answer that we have spotted 66 times.

### Referring Clues:

- Solver of the Königsberg bridge problem
- Pioneer in calculus
- Calculus pioneer
- Prolific writer on calculus
- Noted Swiss mathematician
- Mathematician with a formula named after him
- Noted student of Bernoulli
- Swiss mathematician
- Noted blind mathematician
- Calculus developer
- "Theoria motuum lunae" writer
- Author of "Introduction to Algebra"
- Formulator of the law of quadratic reciprocity
- Formulator of the quadratic reciprocity law
- Pioneer in the math of sudoku
- Discoverer of the law of quadratic reciprocity
- Mathematician who introduced the function symbol f(x)
- Mathematician seen on a Swiss 10-franc note
- "Institutiones Calculi Integralis" writer
- Originator of the equation e to the power (pi * i) + 1 = 0
- Introducer of the math symbol "e"
- Swiss mathematician Leonhard
- Swiss mathematics pioneer
- Mathematician known as "Analysis Incarnate"
- Calculus pioneer Leonhard
- Blind mathematician born in Basel
- 18th-century Swiss mathematician
- Integral calculus pioneer
- Swiss mathematician who introduced trig notations
- 18th-century Swiss math great
- Mathematician who introduced the symbol e for the base of natural logarithms
- Swiss math great who solved the Königsberg bridge problem
- He introduced the symbol "e" for natural logs
- 18th-century mathematician
- Pioneer in number theory
- Leonhard the mathematician
- Swiss mathematician Leonard
- 18th c. Swiss mathematician
- Great Swiss mathematician
- Calculus innovator Leonhard
- Swiss calculus pioneer Leonhard
- Swiss who pioneered in graph theory
- Originator of the formula e^ix = cos x + i sin x
- Basel-born mathematician
- Swiss math great
- Swiss 5-Across pioneer
- Swiss mathematics pioneer
- Mathematician whose work led to the invention of 4-Down
- Friend and colleague of Bernoulli
- Swiss calculus pioneer
- Mathematician Leonhard
- Swiss geometer
- Noted geometer
- Pioneering mathematician
- Bernoulli contemporary
- Major name in mathematics
- Giant of 18th-century math
- "Elements of Algebra" author
- Noted Swiss mathematician (1707-83)
- Noted Swiss mathematician Leonhard
- Pioneer in pure mathematics
- Big name in math
- Swiss mathema-tician
- Mathematician whose name sounds like a ship
- 18th-century mathematician who introduced the function
- Mathematician whose name sounds like a fuel ship

### Last Seen In:

- New York Times - July 31, 2017
- New York Times - March 28, 2017
- LA Times - March 12, 2017
- USA Today - January 17, 2017
- LA Times - December 25, 2016
- LA Times - September 16, 2016
- LA Times Sunday - September 11, 2016
- USA Today - August 26, 2016
- New York Times - June 28, 2016
- King Syndicate - Eugene Sheffer - March 19, 2016
- Universal - February 24, 2016
- Netword - January 21, 2016
- LA Times Sunday - May 31, 2015
- King Syndicate - Thomas Joseph - May 02, 2015
- Wall Street Journal - March 13, 2015
- Universal - February 22, 2015
- Netword - January 29, 2015
- King Syndicate - Eugene Sheffer - January 14, 2015
- King Syndicate - Premier Sunday - January 11, 2015
- Universal - December 21, 2014

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