Ti 83 Plus Developer Guide - Texas Instruments TI-83 Plus Manual

Table of Contents (continued)
Drivers Layer ......................................................................64
Keyboard......................................................................................... 64
Display ............................................................................................ 71
Graphing and Drawing - What's the difference?........................... 84

TI 83 Plus Developer Guide

Creating Variables.........................................................................36
Storing to Variables .......................................................................39
Recalling Variables........................................................................40
Deleting Variables .........................................................................41
Archiving and Unarchiving.............................................................43
Related Routines ................................................................................ 44
Accessing Archived Variables without Unarchiving ............................ 45
Manipulation Routines...................................................................49
List Element Routines ......................................................................... 49
Matrix Element Routines..................................................................... 49
Resizing AppVar, Program, and Equation Variables .....................50
Symbol Table Structure.......................................................................52
Floating Point Stack (FPS) ..................................................................57
Naming Convention.......................................................................58
General Use Rules.............................................................................. 58
FPS System Routines ...................................................................59
FPS Allocation Routines ..................................................................... 59
FPS Deallocation Routines ................................................................. 60
Copy Data To and From Existing FPS Entries.................................... 61
Displaying Using System Routines......................................................71
Display Utility Routines..................................................................71
Displaying Text..............................................................................72
Formatting Numeric Values for Display ...............................................76
Entry Points...................................................................................76
Modifying Display Format Settings......................................................77
Writing Directly to the Display Driver ...................................................77
Reading the Display Driver After Setting X or Y Coordinates ........80
Contrast Control..................................................................................82
Split Screen Modes.............................................................................82
Drawing...............................................................................................84
Graphing .............................................................................................84
Graphing and Drawing Utility Routines................................................84
Drawing Routine Specifics ..................................................................85
Graphing Routine Specifics.................................................................88
Third Release May 28, 2002
iii