Plural or third-person singular of hex, meaning curses, spells, or codes used to express numbers in base 16 (hexadecimal).
From 'hex' which can mean either a curse (from German 'hexe' for witch) or the shortened form of hexadecimal. The word has dual meaning depending on context.
Programmers use 'hexs' (hexadecimal numbers) every day because counting in base 16 is more efficient for computers than base 10—your computer secretly speaks in hexadecimals under the hood.
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