# 53-EDO Alterations

The following table shows the alterations in the 53-tone equal-temperament system (53-EDO) up to the 10/9 tone (tanini).

- aeu — Arel-Ezgi-Uzdilek notation
4 × 2 symbols for Turkish classical music (KTM) (U+E440 - U+E447), combined arrow sharp symbol (U+E275), comma-flat slash symbol (U+F619), and arabic double-sharp / flat symbols (U+ED38, U+ED30).

The comma-flat slash symbol is defined as “Optional glyph” in the Ekmelos font since it is not included in SMuFL.

- aeuek — Arel-Ezgi-Uzdilek notation (simple)
Variant of aeu with the comma-flat symbol instead of the comma-flat slash symbol.

- thm — Turkish folk music notation
4 × 2 symbols for Turkish folk music (THM) (U+E450 - U+E457) and AEU Sharp / flat symbols (U+E441, U+E445).

- sag — Sagittal notation
10 × 2 Spartan Sagittal single-shaft and multi-shaft symbols (U+E302 … U+E335) after George D. Secor and David C. Keenan.

- dia — Diatonic notation
Standard Sharp / flat symbols, single thru quadruple (U+E260 - U+E266, U+F61C - U+F61D).

The quadruple symbols are defined as “Optional glyphs” in the Ekmelos font since they are not included in SMuFL.