I Got Your Number
For an essay on the evolution of numbers, please read
Imaginary Numbers Are Not Imaginary.
This page displays numbers systems in an outline form with the most inclusive listed
first and in some cases HOW COMPUTATION (addition, subtraction, ...) IS COMPLETED.
Click on the link to read about an individual number system or its computation.

COMPLEX NUMBER
  solves all ax² + bx + c = 0
  includes all numbers systems below
  a + bi, where a is not 0, b is not 0, where i² = 1
  a + bi, where a is 0, b is not 0, where i² = 1  These are pure
IMAGINARY
  a + bi, where a is not 0, b is 0, where i² = 1  These are pure
REAL NUMBER
  Computation:
Logs and Exponents
  Computation:
Vector
  Computation:
Complex  rectangular & polar

REAL NUMBER
  solves x²  4 = 0
  includes all numbers systems below
  not a/b, These are
IRRATIONAL
  a/b, These are
RATIONAL
  includes all numbers systems below

IRRATIONAL
  solves x² = 3
  non fractions, numbers which can not be written as a/b where a and b are integers
  Computation:
Radicals


RATIONAL
  solves 4x = 3, x² = 4
  fractions, numbers which can be written as a/b where a and b are integers
  includes all numbers systems below
  Computation:
The Decimal Bakery a math fairy tale on decimal computation
  Computation:
Fractions

INTEGER
  solves x + 4 = 3
  whole numbers and their
  Computation:
ABSOLUTELY NOT!  Signed Number Computation
opposites
  includes all numbers systems below

WHOLE NUMBER
  solves x + 4 = 4
  0 or a counting number
  includes all numbers systems below

NATURAL NUMBER
  solves x + 4 = 6
  counting numbers

© 2005, Agnes Azzolino
www.mathnstuff.com/math/spoken/here/2class/0/c0pg00.htm
