arithmetic, geometry, algebra, exponentiation, logarithm, trigonometry, calculus, topology
 
 
 
 
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00 History
In mathematics, the notion of number has been extended over the centuries to include 0, negative numbers, rational numbers such as 1/2
 and −2/3, real numbers such as √2 and π, and complex numbers, which extend the real numbers with √−1.
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