Noteheads ultimately derive from the neumes used to notate Gregorian chant. Classical harmonic theory would notate the tritone substitute as an augmented sixth chord on 2. Later he began using MusicTeX to notate French bagpipe music. It is used to notate both just intonation and equal temperaments. There is no agreed way to properly notate the lilt of the Venezuelan Merengue. There are two common systems used to notate piece movements in shogi game records. Another approach is to notate the Venezuelan merengue as . Other systems are used to notate shogi board positions. Hence concatenation and overbar suffice to notate 2. Additional symbols are used to notate the . He was unable to read or notate music to any significant degree. Despite never learning to read or notate music, Austin composed over 100 songs. I listen, I notate my listening. Also, sometimes mathematicians notate a function's domain and codomain by writing e.g. formula 3. The "Jianpu" system uses numbers to notate music.