Special Sets of Numbers

Ezzz time to eat lunch :3

Natural Numbers

N + {0,1,2,3…}

Integers

Z = {…-2,-1,0,1,2…}

Positive Integers

Z+ = {1,2,3…}

Negative Integers

Z- = {-1,-2,-3…}

Rational Numbers

Q = {(a/b) | a,b ∈ Z and b DNE 0

Real Numbers

R = { x | x is a decimal number}

Complex Numbers

C = {a + bi | a,b R and i = square root of -1