Our tools are provided online for free. If they help you, please purchase our apps to support the site.

CALCULATORS

Accidental Calculator

Display the correct accidental for a specified note and key.

Interval Calculator

Display the interval for a specified starting note, interval type, and key.

Chord Calculator

Display the chord for a specified starting note, chord type, and key.

Analysis Calculator

Display the chord for a specified analysis symbol and key.

Matrix Calculator

Display the twelve-tone matrix for a specified tone row — for students learning the twelve-tone technique.

UTILITIES

Code Checker

Validate an exercise verification code.

Tempo Tapper

Tap the button to display the number of beats per minute.

Staff Paper Generator

Generate and download staff paper.

Pop-up Piano

Open a new window with a piano keyboard.