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Now With Sound!
Octavian, Keyboard Calculator, is the essential musical reference tool for any musician, student, composer, songwriter, pianist, keyboard player, or hobbyist. Whether your specialty is classical, jazz, blues, or rock, Octavian provides instant access to over 20 scales and 50 chords, with any root note and in any mode or inversion.

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Watch How-To Video on YouTube |
| Read PDF User Guide |
With Octavian, you can:
- Quickly find scales and chords and transpose them to any root note
- New In 1.1! Listen to scales and chords with high quality piano sounds
- View any mode of any scale
- View chords in root position and first, second, and third inversions
- Build chords on any scale degree
- Use Scale Explore to view all scales that contain the notes of the current chord
- Use Chord Explore to identify chords built on the degrees of a scale
- Traverse the Circle of Fifths by holding down the note selector for 1.5 seconds
- View scales/chords as notes (C E G) or intervals from the root (0 4 7)
Bitnotic aims to make Octavian THE authoritative musical reference. We welcome any additional scales/chords, corrections, and suggestions. Send them to info@bitnotic.com.
Special thanks to Dustin McIntyre for suggesting the name "Octavian."
Video
If you cannot see the video, click here to go directly to YouTube



