Hexadecimal notation is a system for representing numbers using the 16 alphanumeric characters 0-9, A, B, C, D, E, and F. (Hexa- and deci- are Greek combination forms meaning "six" and "ten," hence the hexadecimal or six-ten [6 + 10 = 16] system.) The...

The hexadecimal numbering system uses the base of 16, rather than ten, as our familiar decimal system does. The system gained popularity during the 1960s surge in computer technology. Hexadecimal numbering uses 16 symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,...

In mathematics and computer science, hexadecimal, base-16, or simply hex, is a numeral system with a radix, or base, of 16, usually written using the symbols 0–9 and A–F, or a–f. Its primary purpose is to represent the binary code in a...