Line notation

Line notation is a typographical notation system using ASCII characters, most often used for chemical nomenclature.

Chemistry

 * Cell notation for representation of an electrochemical cell
 * Dyson / IUPAC (1944)
 * Hayward (1961)
 * International Chemical Identifier (InChI)
 * Wiswesser Line Notation (WLN) (1952)
 * Simplified molecular input line entry specification (SMILES)
 * Smiles arbitrary target specification (SMARTS)
 * SYBYL Line Notation (SLN)

Mathematics

 * Mathematical markup language

Music

 * GUIDO music notation

Chess

 * Forsyth–Edwards Notation