Why do computers only work with the numbers 0 and 1? There are machines that process three digits with more efficiency than ...

Which, in the more-familiar decimal notation, is 21. The rules we learned in primary school for addition, subtraction, multiplication and division can be easily extended to binary.

Decimal notation describes numbers using the digits 1 through 10. Binary notation describes them using just two digits, 1 and 0, where each bit in a string represents a power of 2. The right-most bit ...

In the decimal notation we use today, this translates to 3.1429 to 3.1408. That's pretty close to the known value of 3.1416. (For simplicity's sake, we round off all figures to four decimal places.) ...

Understanding dot notation close dot notation The agreed notation for repeated digits in a decimal, eg 0·75̇̇ = 0.755555… and 0∙29142914291421942194… = 0·2̇̇914̇̇. in recurring ...