Trigraph
From Wikipedia, the free encyclopedia
A trigraph (from the Greek forms tri- = three and graph- = write) is a group of three symbols, most commonly letters.
Trigraph can mean:
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[edit] Computing
- Digraphs and trigraphs, groups of characters used to symbolise one character
- An octal or decimal representation of byte values.
- Mnemonics for machine language instructions.
- As language codes in ISO 639
[edit] Cryptography
- As substitution group in a substitution cipher
- As combinations in the Ling Qi Jing
[edit] Mathematics
- As a generalization of graphs where we have a set of edges called semi-adjacent
[edit] Other uses
- Trigraph (orthography), a sound representation in orthography
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