Table of Contents| This User's Manual and You | 4 | 
|   | 
| Part A |   | 
| Chapter 1  Computer Etiquette. PRINT, NEW, and RUN. | 7 | 
| Chapter 2  Expanding a Program. LIST, REM, END, LET, WHAT?, HOW? | 11 | 
| Chapter 3  Math Operators. | 17 | 
| Chapter 4  Scientific Notation. | 23 | 
| Chapter 5  Order of Operations. Use of Parenthesis. | 25 | 
| Chapter 6  Relational Operators. IF-THEN, GOTO. | 29 | 
| Chapter 7  INPUTting Data. | 33 | 
| Chapter 8  Calculator Mode. MEM, SORRY. | 37 | 
| Chapter 9  Using Cassette Tape for Mass Storage. CLOAD, CSAVE. | 41 | 
| Chapter 10  Loops. FOR-NEXT, STEP, CLS, Break Key. | 45 | 
| Chapter 11  Timer Loops. LIST ###, RUN ###, STOP, CONT. | 53 | 
| Chapter 12  Formatting Output with TAB | 61 | 
| Chapter 13  Nested Loops | 65 | 
| Chapter 14  INT Function | 69 | 
| Chapter 15  More Branching Statements, Subroutines, ON-GOTO, GOSUB, ON-GOSUB, RETURN | 77 | 
| Chapter 16  READ, DATA, RESTORE. String Variables A$ and B$ | 85 | 
| Chapter 17  ABS Function | 93 | 
| Chapter 18  Level I Shorthand Dialect. Multiple-Statement Lines. | 95 | 
| Chapter 19  Generating Random Numbers with RND | 99 | 
| Chapter 20  Video Display Graphics. SET, RESET. | 105 | 
| Chapter 21  Arrays Using A(X) | 123 | 
| Chapter 22  Advanced Graphics. PRINT AT. POINT. | 133 | 
| Chapter 23  Flowcharting | 141 | 
| Chapter 24  Logical Operators. * (AND), + (OR). | 147 | 
| Chapter 25  Advanced Subroutines. | 155 | 
| Chapter 26  Debugging Programs | 165 | 
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| Part B: Sample Answers to Programming Exercises in Chapters 3 through 25 |  177 | 
|   | 
| Part C: Prepared User's Programs |  201 | 
|   | 
| Appendix |   | 
| Appendix A: Prepared User Subroutines | 216 | 
| Appendix B:  Cassette Data Files | 221 | 
| Appendix C:  Combined Function and ROM Test | 225 | 
|   | 
| SUMMARY OF LEVEL I BASIC |  232 |