Fundamentals Overview IDE (Editor) Syntax Variables Data Types Declarations Scope Operators

Standard Functions Arithmetic Trigonometry Strings Arrays Date/Time Flow Control Procedures Printing Files Folders

Additional Capabilities Keyboard Sound Graphics Concepts Screen (text) Screen (drawing) Gaming (sprites) Event Trapping Errors System Calls

QBasic Editor
The QBasic editor is very simple, but contains enough capability to support creating programs of any size.

The startup screens for QBasic as shown below. For more information on the menu options, click on one of the following links.

File	View	Run	Options
Edit	Search	Debug	Help

For it's time, the menu option above were considered reasonably complete. However, today's language IDE's are considerably more complex.

Help Menu
The Help menu provides the following options. Keystroke shortcuts are shown in the image above.

• Index - Alphabetical listing of QBasic keywords. Each topic contains syntax and example usage.

• Content - Displays list of broad topics contained within the Help file.

• Topic: xxx - The xxx in actually filled with the keyword on which the cursor is currently located. Selecting this menu option opens Help to the entry for that keyword, if it is a Help file topic.

• Using Help - Display a page of tips on using Help.

• About - Displays the current version of QBasic.

If you have any suggestions or questions, please let me know.