All irrational numbers are a subset of Real numbers, which implies all irrational numbers are real numbers. The symbol used to represent irrational numbers is Q.

The ancient Greeks wondered when irrational numbers, like pi, can be represented with fractions. Two mathematicians now have a complete answer.

Most people rarely deal with irrational numbers—it would be, well, irrational, as they run on forever, and representing them accurately requires an infinite amount of space. But irrational ...

On Pi Day (March 14) we celebrate perhaps the most iconic irrational number on Earth. From its ancient origins to the unanswered questions, here are some of the most surprising facts about pi.

Three issues are addressed: richness and density of numbers, the fitting of rational and irrational numbers on the real number line, and operations amongst the elements of the two sets. The results ...

But irrational constants such as π and √2—numbers that cannot be reduced to a simple fraction—frequently crop up in science and engineering.