What is Hexadecimal (Hex)?

Within the fields of mathematics and computing, the hexadecimal numerical system or "hex" system is a positional numerical system that represents numbers utilizing a radix base of 16. Instead of using the common methodology of representing numbers using 10 symbols, hexadecimal makes use of 16. Typically, the numbers "0"–"9" represent the values 0–9, while the letters "A"–"F" represent the values 10–15. Hexadecimal numerals are generally used by computer system designers and software engineers to provide a human-friendly representation of binary-coded values to allow for simple readability.