Preface / Basic Concepts / Differential Equation of First Order and First Degree / Differential Equations of First Order and Higher Degree / Orthogonal Trajectories / Higher Order Linear Differential Equations (with constant coefficients) / Cauchy-Euler Differential Equations / Simultaneous Differential Equations (in two variables with constant coefficients) / Second Order Differential Equations with Variable Coefficients / Power Series Solutions of Different Equations / Legendre's Equation and Polynomials / Bessel's Differential Equation / Total Differential Equations / Simulation Total Differential Equations / Laplace Transforms / Fourier Series / Numerical Solution of Differential Equations / Answers to Exercises / Bibliography / Index