D2 (Music Package Symbol)

D2 gives the frequency of the note D in octave 2.

D3 (Music Package Symbol)

D3 gives the frequency of the note D in octave 3.

D4 (Music Package Symbol)

D4 gives the frequency of the note D in octave 4.

D5 (Music Package Symbol)

D5 gives the frequency of the note D in octave 5.

D6 (Music Package Symbol)

D6 gives the frequency of the note D in octave 6.

D7 (Music Package Symbol)

D7 gives the frequency of the note D in octave 7.

Dflat0 (Music Package Symbol)

Dflat0 gives the frequency of the note D-flat in octave 0.

Dflat1 (Music Package Symbol)

Dflat1 gives the frequency of the note D-flat in octave 1.

Dflat2 (Music Package Symbol)

Dflat2 gives the frequency of the note D-flat in octave 2.

Dflat3 (Music Package Symbol)

Dflat3 gives the frequency of the note D-flat in octave 3.