# Progressions

Progression may refer to:

• Arithmetic sequence of numbers such that the difference of any two successive members of the sequence is a constant.
• Geometric sequence of numbers such that the quotient of any two successive members of the sequence is a constant
• Harmonic sequence of numbers such that their reciprocals form an arithmetic progression

 L-1 L-2 L-3 L-4 L-5 L-6 L-7 L-8