What's the Difference Between Rational and Irrational Numbers?

Rational numbers can be expressed as the ratio of two integers, while irrational numbers, such as square roots, cannot. So, why does the difference matter?

Related Keywords

United States ,United Kingdom ,Greece ,Greeks ,American ,British ,Greek ,Wolfram Mathworld ,Carrie Manore ,Mark Zegarelli ,Hakura Iwao ,Steven Bogart ,Ericd Kolaczyk ,Google ,Rafikb Hariri Institute For Computing ,Boston University ,Modeling Group At Los Alamos National Laboratory ,Computational Science ,Oxford English Dictionary ,Information Systems ,Modeling Group ,Los Alamos National ,