Chapter1: Comfort for the Computationally Crippled.- Part I - Vibrations.- Chapter2: The Simple Harmonic Oscillator.- Chapter3: String Theory.- Chapter4: Elasticity of Solids.- Chapter5: Modes of Bars.- Chapter6: Membranes, Plates and Microphones.- Part 2 - Waves in Fluids.- Chapter7: Ideal Gas Laws.- Chapter8: Nondissipative Lumped Elements.- Chapter8: Nondissipative Lumped Elements.- Chapter9: Dissipative Hydrodynamics.- Chapter10: One-Dimensional Propagation.- Chapter11: Reflection, Transmission, and Refraction.- Chapter12: Radiation and Scattering.- Chapter13: Three-Dimensional Enclosures.- Chapter14: Attenuation of Sound.- Part3: Extensions.- Chapter15: Nonlinear Acoustics.