real number

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bunch of numbers

Unusual Counting Systems

number zero, 0 balloon

Is Zero an Even or an Odd Number?

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Malayan Leaf Frog - Megophrys nasuta

9 Animals That Look Like Leaves

Close-up of ostriches (Struthio camelus) necks and heads; location unknown.

6 of the World's Most Dangerous Birds

Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.

5 Remarkably Close U.S. Presidential Elections

Abstract vector hi speed internet technology background

History of Technology Timeline

Alcoholic beverages bottles at Host 2013, international exhibition of the hospitality industry on OCTOBER 18, 2013 in Milan.

Why Is Alcohol Measured by Proof?

Indian hijras participate in a religious procession in Gandhinagar, India, some 30 kilometers from Ahmedabad, on March 22, 2017. Hijra is a term used in South Asia which refers to transgender individuals who are born male. (gender identity, gender expression)

6 Cultures That Recognize More than Two Genders

Panama Canal infographic

Timeline and Map of the Panama Canal

real number: Related Content

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Topics

Dedekind cut absolute value continuum power of the continuum number complex number rational number integer irrational number algebraic number golden ratio perfect number large numbers scientific notation significant figures

Key People

Dedekind

Richard Dedekind

German mathematician

Quiz

barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure

Fun Facts of Measurement & Math