Stein-Zimmermann accidentals (24-EDO) (U+E280–U+E28F)
| Glyph | Description | Glyph | Description | 
|---|---|---|---|
|  | U+E280 accidentalQuarterToneFlatStein Reversed flat (quarter-tone flat) (Stein) |  | U+E281 accidentalThreeQuarterTonesFlatZimmermann Reversed flat and flat (three-quarter-tones flat) (Zimmermann) | 
|  | U+E282 accidentalQuarterToneSharpStein Half sharp (quarter-tone sharp) (Stein) |  | U+E283 accidentalThreeQuarterTonesSharpStein One and a half sharps (three-quarter-tones sharp) (Stein) | 
|  | U+E284 accidentalNarrowReversedFlat Narrow reversed flat(quarter-tone flat) |  | U+E285 accidentalNarrowReversedFlatAndFlat Narrow reversed flat and flat(three-quarter-tones flat) |