Hexadecimal is a base-16 number system used by programmers to represent values more concisely than decimal. It uses the digits 0-9 and the letters A-F, because 16 symbols are needed and programmers are too lazy to invent new numerals.

How to use it in a sentence

• I was up until 3AM last night trying to debug an issue with some hexadecimal color codes in our new UI - I kept mixing up my As, Cs and Fs!

• My coworker tried to be clever by obfuscating some IP addresses as hexadecimal in the codebase - good thing I'm fluent in nerd and could decode his l33t skills.

If you actually want to learn more...

• Find the best rational fraction approximation to a decimal number - For when you need to convert between hexadecimal, decimal, and fractions, and impress your boss with your math prowess.

• Radix (base) conversion - An online calculator that lets you convert numbers between bases, for those times you're juggling hexadecimal, octal, and other exotic numbering systems.

• Eight bit posit numbers - A handy reference table mapping 8-bit patterns to their decimal and fractional equivalents, useful for when you're swimming in a sea of hexadecimal soup.

Note: the Developer Dictionary is in Beta. Please direct feedback to skye@statsig.com.