Unlike our everyday counting system that uses tens, binary uses just two numbers, 0 and 1. Learn more with BBC Bitesize. Suitable for KS3 students.

Latest edition of NCERT Class 9 Maths Chapter 1 Number System is available here. Download the full chapter in PDF format along with the accurate NCERT Solutions for the chapter.

Get important MCQs on Class 9 Maths Chapter 1 Number System. Answers of all questions are also provided. Download MCQs in PDF format.

The Romans were great engineers but they had a terrible number system. It didn’t even have zero.

India, by adding zero to the positional number system, unleashed the true power of numbers, advancing mathematics from infancy to adolescence, and from rudimentary toward its current sophistication.

This Number System Beats Binary, But Most Computers Can’t Use It Why do computers only work with the numbers 0 and 1?

The natives of a remote Polynesian Island invented a binary number system, similar to the one used by computers to calculate, centuries before Western mathematicians did, new research suggests ...