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Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

William Shakespeare

The Death of Shakespeare

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

World Data Locator Map: Australia

Is Australia an Island?

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

Inventors and Inventions of the Industrial Revolution

Shadow of a man holding large knife in his hand inside of some dark, spooky buiding

7 of History's Most Notorious Serial Killers

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Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

Bessel function gamma function elliptic function hypergeometric function function logistic function Riemann zeta function recursive function harmonic function Lagrangian function exponential function Hamiltonian function integral transform propositional function trigonometric function

Key People

Sir Edmund Taylor Whittaker

British mathematician

Quiz

Equations written on blackboard

Numbers and Mathematics