This is the application for music students. Helps you to calculate the resulting note when you apply one interval to one known note.

– If you want to know which is the perfect 5th of a note, select a note in the first picker, be sure the «+» button is selected, finally, select «5» in the second picker. The answer will appear automatically in the screen.

– If you want to know which note is down a 6th a given note, select the note in the first picker, be sure the «-» button is pressed, and finally select «6» in the second picker. The answer will appear automatically in the screen.