Radio Shack TRS-80 PC-3 User Manual

CHAPTER 8 BASIC REFERENCE
The following chapter is divided into three sections:
Commands: Instructions wh ich are used outside a program to change the working environment, perform util ities, or control
programs.
Verbs:
Action words used in programs to construct BASIC statements.
Functions: Special operators used in BASIC programs to change one variable into another.
Commands and verbs are arranged alphabetically. Each entry is on a separate page for easy reference. The contents of each section
are shown in the tables below so that you can quickly identify the category to yvhich an operator belongs. Functions are grouped
according to four categories and arranged alphabetically within each category.
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Radio Shack TRS-80 PC-3 Specifications

General

Type	Programmable Calculator
Model	TRS-80 PC-3
Category	Calculator
RAM	1.9 KB
Display	24-character LCD
Power Source	2x CR2032 batteries

Summary

Limited Warranty

Radio Shack Limited Warranties

Details warranty period, conditions, and remedies for equipment defects.

Limitation of Liability

Outlines restrictions on Radio Shack's liability for damages.

Service Policy

Chapter 2: Introduction to the PC-3

Reset and Battery Management

Procedures for resetting the PC-3 and replacing batteries.

Chapter 3: Using the PC-3 as a Calculator

Simple Calculations

Performing basic arithmetic and understanding input/output.

Handling Errors

Addressing error messages and their solutions.

Chapter 4: Concepts and Terms of BASIC

Variables and Expressions

Understanding constants, variables, and their usage.

Chapter 5: Programming the PC-3

BASIC Statements and Commands

Introduction to BASIC syntax, verbs, and commands.

Chapter 7: Using the PC-3 Printer/Cassette Interface

Cassette Recorder Operations

Saving and loading programs and data on tape.

Chapter 8: BASIC Reference

Commands Reference

Instructions for controlling the computer's environment.

Verbs Reference

Action words used within BASIC programs.

Functions Reference

Mathematical and string manipulation operations.

Chapter 10: Troubleshooting

Machine Operation Issues

Solutions for common problems with device functionality.

BASIC Debugging Tips

Strategies for finding and correcting program errors.

Appendix A: Error Messages

Appendix F: Specifications