Table of Contents

Preface 1. Elementary Difference Operations 2. Interpolation and Extrapolation 3. The Determination of Difference Equations 4. Linear Difference and Functional Equations with Constant Coefficients 5. The General Difference Equation of the First Order 6. Linear Difference Equations with Variable Coefficients 7. Some Applications of Difference Equations 8. Difference Equations Associated with Functions of Two Variables Answers to Exercises; Index