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.

When decimal numbers are within the range of 0 to 9, their binary and BCD representations are identical, requiring only four bits (0000 to 1001).

Converting from a binary number to a denary (decimal) number The binary number 1001 can be calculated in denary. To do this put the number into the table. 1 in the 8 column means there is an 8 ...

While adding up your grocery bill in the supermarket, you’re probably not thinking how important or sophisticated our number system is. But the discovery of the present system, by unknown ...