Math Numbers
a/- Natural numbers:[1] are those used for counting 1,2,3,4,5,........
b/- Integers numbers: is a number that can be written without fractional component, e.g 21, 4, 0 ,- 243
c/-Rational numbers: a rational number is any number that can be expressed as the quotient or fraction
of two integers ,with the denominator y not equal to zero2/3,-3,2.69
d/- Real numbers: the real numbers include all the rational numbers, such as the integer -4 and the fraction 3/2, and all the irrational numbers
( 1.41421356...,the square root of two,an irrational algebraic number) and
(3.14159265...
e/- complex numbers: A complex number is a number that can be expressed in the forma+bi, where a and b are real numbers and i is the imaginary unit, which satisfies the equationi2=-1.In this expression,as the real part and b is the imaginary part of the complex number.
