THE BASIC LANGUAGE REFERENCE. BASIC 7.1
PART II. ADD-ON-LIBRARY REFERENCE
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Presentation Graphics Toolbox
Describes the Sub and Function procedures and those for the Fonts toolbox. This toolbox (Chrtb.bas) contains a set of routines for defining, analyzing, and printing charts on the screen.

Matrix Math Toolbox
Describes six Function procedures supported by this toolbox (Matb.bas). The toolbox contains a set of matrix manipulation procedures that perform math operations on two dimensional matrixes.

UI TOOLBOX. Introduction
The User Interface toolbox is a group of Basic procedures that allow you to add professional looking windows and menus to your programs. Consists of four parts: Menu.bas, Window.bas, Mouse.bas, General.bas.

UI TOOLBOX. Sub and Function procedures
Describes the procedures that make up the User Interface toolbox. These functions are provided in the four main separate files of the UI.

UI TOOLBOX. Menu.Bas
The menus in the User Interface toolbox work like those in the QB or the QBx programming environments.

UI TOOLBOX. Window.Bas
You will learn how to handle the windows of this UI. You can learn much more about using the procedures in Window.bas by studying the demonstration program Uidemo.bas, provided as a code example.

UI TOOLBOX. Mouse.Bas
This source supports the Microsoft Mouse and other pointing compatible devices. Also this file can be used by itself.

UI TOOLBOX. General.Bas
Contains a number of general purpose character-based routines that are used in both the Menu.bas and Window.bas files. Also these files can be used by themselves.

Fonts Toolbox
Part III.- Chapter about a set of routines that perform font-management tasks such as registering, loading, selecting, and printing nine font files supplied. They can be used independently of the Presentation Graphics toolbox. The Fonts toolbox is the file Fontb.bas.