Preface.- Acknowledgements.- List of Figures.- PART 1: NUCLEUS AND SOURCE TEXT MANIPULATION MODULES COBOL.- Programming Fundamentals Data and Procedure.- Division Fundamentals Numbers and the Subtract Statement.- The Multiply, Divide and Compute Statements.- Further Data Editing.- The If, Go To and Evaluate Statements.- Performing Lists -Tables.- String Manipulation.- Source Text Manipulation.- PART 2: THE INPUT-OUTPUT MODULES.- Processing Sequential Files.- Processing Relative Files.- Processing Indexed Files.- Sorting and Merging.- PART 3: THE INTER-PROGRAM COMMUNICATION MODULE.- Communicating Between Programs.- PART 4: THE REPORT WRITER MODULE.- Using the Report Writer.- PART 5: THE INTRINSIC FUNCTION MODULE.- Intrinsic Functions.- PART 6: PROGRAM DEBUGGING.- Program Errors.- Testing and Debugging.- Appendices A-E.- Index.- Glossary.