When you hear the words "rational" and "irrational," they might bring to mind the relentlessly analytical Spock in "Star Trek." If you're a mathematician, however, you probably think of ratios between ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Pi Day, 3/14, coincides with the first three digits of one of the most important numbers in math.

Irrational numbers are numbers that cannot be expressed as the ratio of two whole numbers. This is opposed to rational numbers, like 2, 7, one-fifth and -13/9, which can be, and are, expressed as the ...

Class 9 Maths Chapter 1 ´Number System` of NCERT Book is best to understand the concept of numbers and make your basics stronger for obtaining good results in exams. You will get here the latest ...