In mathematics, an

See Also

**arithmetic progression**(AP) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. For instance, the sequence 5, 7, 9, 11, 13, 15 etc. is an**arithmetic progression**with common difference of 2. Wikipedia, Arithmetical ProgressionSee Also

**Cause and Its Effects****Geometrical Progression****progression****12.18 - Multiple Octave Progression**