Description 
Equation 
Amplitude of a driven oscillation 

Angular frequency for a damped oscillation 

Beat frequency 

Displacement of a driven oscillator 

Displacement of a slightly damped oscillator 

Energy change in a damped oscillation 

Energy change in a damped oscillation 

Energy transmitted by a harmonic wave 

Harmonic wave function 

Harmonic wave function 

Kinetic energy of simple harmonic motion 

Phase constant of a driven oscillation 

Potential energy of simple harmonic motion 

Power transmitted by a harmonic wave 

Standingwave function 

Superposition of standing waves on a string with both ends fixed 

Total energy of simple harmonic motion 

Velocity at resonance frequency of a driven oscillator 
