Decimal numbers between 100 and 109 would be represented in BCD by the actual number + 156 (26*6). Numbers between 110 and 119 convert to BCD values of the actual number + 156 + 6.

Conversion of binary to decimal numbers is often needed in firmware. And it’s done easily enough if multiplication and division by ten are acceptable.

The Babylonians used separate combinations of two symbols to represent every single number from 1 to 59. That sounds pretty confusing, doesn’t it? Our decimal system seems simple by comparison ...

If you consider all numbers, including irrational values such as pi (π), then a number system with base e may have advantages. But if you want to represent integers such as 1, 2 or 3 in this way ...

Mangareva Island Wikimedia Commons Binary, or base two, is the number system that computer systems use, as opposed to the decimal, or base ten, system used in our day-to-day lives.

The concept of positional notation which is used in decimal numbers to determine the number using positional data is also applied in binary. However, in binary, the base number or radix is always 2.