A2 (Music Package Symbol)

A2 gives the frequency of the note A in octave 2.

A3 (Music Package Symbol)

A3 gives the frequency of the note A in octave 3.

A4 (Music Package Symbol)

A4 gives the frequency of the note A in octave 4.

A5 (Music Package Symbol)

A5 gives the frequency of the note A in octave 5.

A6 (Music Package Symbol)

A6 gives the frequency of the note A in octave 6.

A7 (Music Package Symbol)

A7 gives the frequency of the note A in octave 7.

Aflat0 (Music Package Symbol)

Aflat0 gives the frequency of the note A-flat in octave 0.

Aflat1 (Music Package Symbol)

Aflat1 gives the frequency of the note A-flat in octave 1.

Aflat2 (Music Package Symbol)

Aflat2 gives the frequency of the note A-flat in octave 2.

Aflat3 (Music Package Symbol)

Aflat3 gives the frequency of the note A-flat in octave 3.