Game Development Reference
In-Depth Information
Some other numbers that fall into the irrational category are the square root of
p
), and the base of the natural logarithm, e (log
e
x).
A number is irrational if its decimal representation is non-terminating and
non-repeating.
p
), the cube root of 5 (
5
3(
3
Real Numbers
All of the numbers you have investigated so far are considered real numbers. The
mathematical symbol that represents real numbers is R. Figure 2.5 reveals the
relationship between the various number systems. Accordingly, both rational
and irrational numbers are real numbers.
It remains important to emphasize that a number may be represented in many
number systems. For example, a rational number may also be a counting
number, a whole number, or an integer.
Figure 2.5
Real numbers encompass all rational and irrational numbers.
