THE TI-85
HANDBOOK
TABLE OF
CONTENTS
1.1 TURNING IT ON
1.2 DISPLAY CONTRAST
1.3 THE KEYS AND KEYING
SEQUENCE
1.4 THE MENU KEYS
1.5 EDITING AND MOVING WITH THE
CURSOR
1.6 CLEARING THE MEMORY
1.7 AVAILABLE SCREENS AND MENU
BARS
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2.1 THE MATRX MENU
2.2 DEFINING AND EDITING MATRICES
WITH ‘EDIT’
2.3 SIMPLE MATRIX OPERATIONS
2.4 SOLVING A SYSTEM OF LINEAR
EQUATIONS
2.5 ELEMENTARY ROW OPERATIONS
2.5.1 Row
Multiplication
2.5.2 Interchanging Two Rows
2.5.3 Adding a multiple of one row
to another
2.6 ELIMINATION METHODS
2.7 GAUSS ELIMINATION
2.8 GAUSS-JORDAN ELIMINATION
2.9 DETERMINANTS
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3.1 THE STAT MENU
3.2 ENTERING DATA
3.2.1 Enter the data
in the form of a list in the home screen
3.2.2 Enter the Data as a List
using the LIST Editor
3.2.3 Enter the Data in the STAT
Menu
3.3 EDITING DATA
3.3.1 List Edit
3.3.2 Stat Edit
3.4 PLOTTING STATISTICAL DATA
3.5 REGRESSION ANALYSIS
3.6 STATISTICAL RESULT
VARIABLES
3.7 PLOTTING THE REGRESSION
LINE
3.8 DELETING UNWANTED DATA
LISTS
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4.1 INTRODUCTION
4.2 GRAPHING MODE
4.3 GRAPHING FORMAT
4.4 DEFINING FUNCTIONS TO GRAPH
4.5 DEFINING THE VIEWING WINDOW
4.6 DISPLAYING THE GRAPH
4.7 EXPLORING THE GRAPH
4.7.1 Free Moving
Cursor
4.7.2 Tracing
4.7.3 Zooming
4.8 THE GRAPH MATH MENU
4.8.1 Finding a
Minimum Graphically
4.9 OTHER FEATURES
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5. DIFFERENTIAL EQUATIONS ON THE TI-85
5.1 INTRODUCTION
5.2 CLASSIFICATION OF DIFFERENTIAL EQUATIONS
5.3 SOLUTIONS OF ORDINARY DIFFERENTIAL EQUATIONS
5.4 BOUNDARY AND INITIAL CONDITIONS
5.5 THE CALC MENU
5.6 COMPUTING THE DERIVATIVE
5.7 NUMERICAL INTEGRATION
5.8 DIFFERENTIAL EQUATIONS
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6. PROGRAMMING ON THE TI-85
6.1 INTRODUCTION
6.2 PROGRAM 1
6.2.1 To Write This Program
6.2.2 To Execute The Program
6.2.3 Example Execution