Did you know that ...The concept of ‘zero’ is credited to the Indian astronomer Brahmagupta?If the last three digits of a number are divisible by 8, then the number is divisible by 8?In the Roman number system, fifteen symbols are needed to expressMoreDid you know that ...The concept of ‘zero’ is credited to the Indian astronomer Brahmagupta?If the last three digits of a number are divisible by 8, then the number is divisible by 8?In the Roman number system, fifteen symbols are needed to express 999?A compilation of over 250 facts about mathematics.