Irrational Numbers

Irrational Numbers

Any number that is not rational is called irrational.  Here are a few examples of some irrational numbers:

\pi = 3.14159265

\sqrt{2} = 1.41421356

Every rational number can be written as a repeating decimal, such as \frac{1}{3} = 0.33333 is a rational number where as \pi , above, is not repeating.  This is a quick and easy test with a calculator if you are confused as to whether or not a number is irrational.

Between any two real numbers there is a rational number and an irrational number.

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