Irrational Numbers

A number is irrational if there are infinite decimal places non-recurrent, therefore it cannot be expressed in the form of fraction.

The best known irrational number is pi, which is defined as the relationship between the perimeter of the circle and its diameter.

pi = 3.141592653589...

Other irrational numbers are:

The number e appears in growth processes, in radioactive decay and in the formula of the catenary, which is the curve that is found in power lines.

e = 2.718281828459...

The golden ratio, Golden Ratio, used by artists from all periods (Phidias, Leonardo da Vinci, Alberto Dürer, Dalí,..) in the proportions of their works.

Golden Ratio