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Jan 1, 1000
3000 BC: Natural numbers
The Egyptians and Babylonians were first recorded as using the natural numbers and rationals. -
Jan 1, 1000
500 BC Irrationals
The Greek philosopher sect called the Pythagoreans suppresses evidence that irrationals exist, by murdering the mathematician responsible for the proof. -
Period: Jan 1, 1501 to
Imaginary numbers
Imaginary numbers are first used to give notional solutions. -
Imaginary numbers
An imaginary number is a number that can be written as a real number multiplied by the imaginary unit , which is defined by its property .[1] An imaginary number has a negative or zero square. For example, is an imaginary number and its square is .
An imaginary number can be added to a real number to form a complex number of the form , where and are called, respectively, the real part and the imaginary part of the complex number. Imaginary numbers can therefore be thought of as complex numb -
Real Numbers
Real Numbers uncontably infine Algbaic numbers is countably infine -
Period: to
Real Numbers
Real Numbers uncontably infine Algbaic numbers is countably infine -
Whole Numbers
Whole Numbers are Counting numbers