Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...

(via Big Think) Before the introduction of zero, mathematics was a tangible subject, where numbers held weight and substance. With zero came the concept of a mathematical “nothing;” it turned our ...

Around 2,500 years ago, Babylonian traders in Mesopotamia impressed two slanted wedges into clay tablets. The shapes represented a placeholder digit, squeezed between others, to distinguish numbers ...