12-EDO Alterations

The following table shows the alterations in the 12-tone equal-temperament system (12-EDO, traditional western tone system) with 2 degrees.

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xDegreexAlter.xCentsxSfx DexSfx Enxstdxsagxmsag
21200isisss x
std — Standard notation

Standard sharp / flat symbols (U+E260 - U+E264).

sag — Sagittal notation

2 × 2 Spartan Sagittal multi-shaft symbols (U+E318 … U+E335) after George D. Secor and David C. Keenan.

msag — Mixed Sagittal notation

Standard sharp / flat symbols (U+E260 - U+E262, U+E264) and large double-sharp symbol (U+E47D). This is actually a variant of std and not a Sagittal notation.