This application has two modes: simple interval and circular.

Simple Interval

In Simple Interval mode, the two notes that form the selected interval are connected by a line.

1. Select Simple Interval.
2. Select an interval.
3. A line will be drawn between the notes, which you should read in a clockwise direction.
4. You can select the first note by clicking on its name or the related circle.

Circular

A geometric figure is created using the selected interval. The figure shows the notes needed to complete a cycle and return to the first note using the interval. For example, if you choose the major third, the notes will be C, E, G#/Ab, and C:

1. Select Circular.
2. Select an interval.
3. The corners of the image indicate the notes needed to return to the starting note using the selected interval.
4. You can select the first note by clicking either the note name or the related circle

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1. Select mode: Simple Interval Circular