"Church Modes"
(Make sure you know these)
Ionian 1 2 3 4 5 6 7
Dorian 1 2 b3 4 5 6 b7
Phrygian 1 b2 b3 4 5 b6 b7
Lydian 1 2 3 #4 5 6 7
Mixolydian 1 2 3 4 5 6 b7
Aeolian 1 2 b3 4 5 b6 b7
Locrian 1 b2 b3 4 b5 b6 b7
And some cool ones...
Minor Pentatonic 1 b3 4 5 b7
Major Pentatonic 1 2 3 5 6
Pentatonic Blues 1 b3 4 b5 5 b7
Harmonic Minor 1 2 b3 4 5 b6 7
Come to think of it, for any formula, go HERE.
http://www.cyberfret.com/scales/guitar-codex/index.php
that program is awesome. :D
-Chuck Vermette