Number Systems Flashcards
1
Q
symbol for natural numbers
A
ℕ
2
Q
symbol for integers
A
ℤ
3
Q
symbol for rational numbers
A
ℚ
4
Q
symbol for irrational numbers
A
no symbol
5
Q
symbol for real numbers
A
ℝ
6
Q
symbol for complex numbers
A
ℂ
7
Q
ℕ
A
the set of natural numbers. all positive integers
8
Q
ℤ
A
the set of integers. negative and positive whole numbers, as well as zero
9
Q
ℚ
A
the set of rational numbers. any number that can be written in the form p/q, where p and q are both integers and q is not 0
10
Q
ℝ
A
the set of real numbers. all of the numbers on the number line, including irrational numbers but not including imaginary numbers
