Texas Instruments TI-85 Manuals

Manuals and User Guides for Texas Instruments TI-85. We have 4 Texas Instruments TI-85 manuals available for free PDF download: Manual Book, Setup Manual, Manual, Getting Started

Texas Instruments TI-85 Manual Book (362 pages)

Graphing Calculator

Brand: Texas Instruments | Category: Calculator | Size: 9 MB

Product View
2
Table of Contents
5
Glossary
14
Getting Started
15
Menu and Menu Keys
16
Selecting Menu Items
16
First Steps
17
Entering Expressions: Savings Account Example
18
Recalling and Editing a Calculation
20
Graphing on the TI-85
21
Entering an Equation: Illumination Example
23
Entering an Equation in the SOLVER
24
Solving for a Variable
25
Additional Solutions with the SOLVER
26
Changing the Viewing Rectangle
27
Finding a Solution from a SOLVER Graph
28
Defining Functions to Graph
29
Displayiing the Graph
30
Tracing Along a Function
31
Finding a Maximum Graphically
32
Graphing the Derivative
33
Zooming in on the Graph
34
Finding a Root Graphically
35
Other Features
36
Oparating the TI-85
37
Turning the TI-85 on and off
38
Setting the Display Contrast
39
The 2Nd and ALPHA Keys
40
Alpha-Lock
41
The Display
42
The Home Screen
42
Displaying Expressions/Results
42
Returning to the Home Screen
42
Display Cursors
43
Busy Indicator
43
The Equation Operating System
44
Order of Evaluation
44
Implied Multiplication
45
Parentheses
45
Negation
45
Entering and Editing
46
The Cursor Movement Keys
46
The Edit Keys
46
Entering a Name
47
Character Entry
47
Expressions and Instructions
48
Entering more than One Command on a Line
48
Interrupting a Calculation
48
Last Answer
49
Using Last Answer in an Expression
49
Continuing an Expression
49
Storing Results
49
Last Entry
50
Entries Containing more than One Command
50
Reexecuting the Previous Entry
50
Example: Convergence of a Series
51
The TI-85 Menus
52
The Menu Keys/Items
52
Displaying Menus
53
Displaying Additional Items in a Menu
53
Selecting from Menus
54
Selecting an Item from the Menu on the Eighth Line
54
The Menu on the Seventh Line
54
Accessing Menus from an Editor
55
Selecting an Item from the Menu on the Seventh Line
55
"Exiting" a Menu
55
Moving Around the TI-85
56
Moving to a Full-Screen Editor
56
Working on a Full-Screen Editor
56
Leaving an Editor
56
Pull-Down Screens
57
The Prompt Line
57
Clearing a Prompt/Correcting an Error on the Prompt Line
57
The Catalog Selection Screen
58
Copying a Name to an Expression
58
Leaving the Catalog
58
The Custom Menu
59
Entering the Name of a Function or Instruction in the Custom Menu
59
Blanking a Custom Menu Entry
59
Using a Custom Menu Entry in an Expression
59
Setting Modes
60
Checking/Changing Mode Settings
60
Leaving the Mode Selection Screen
60
Normal, Scientifict or Enginering Notation Display Format
61
Floating or Fixed Decimal Display Setting
61
Radians or Degrees Angle Setting
61
Rectangular or Polar Complex Number Display Format
62
Function, Polar, Parametric or Differential Equation Graphing Mode
62
Decimal, Binary, Octal or Hexadecimal Number Base
62
Vector Coordinate Display Format
63
Differentiation Type
63
Setting Modes from a Command Line
63
Error Conditions
64
Diagnosing/Correcting an Error
64
Entering and Using Data
65
Data Types
66
Entering and Using Numbers
67
Real Numbers
67
Entering a Number in Scientific or Engineering Notation
67
Complex Numbers
67
Variables
68
Variables Names
68
System Variables
68
Storing a Value to a Variable STO
69
Using Variable Values
70
Using a Variable in an Expression
70
Displaying the Value of a Variable
70
Copying/Deleting a Variable
70
The VARS (Variables) Menu
71
Accessing Variable Names
72
Copying a Variable Name to an Expression
72
Leaving the Variables Screen
72
Equation Variables
73
Equations
73
Storing an Expresson to an Equation Variable
73
Errors
73
Recalling Variable Contents
74
Clearing Recall
74
Recalling a Program
74
Variable Examples
75
Constants, Programs, Graphs, and Pictures
76
Storing to Named Items
76
Math, Calculus, and Test Operations
77
Keyboard Math Functions
78
The MATH Menu
79
The NUM (Number) Menu
80
The MATH NUM Menu
80
The Round Function
80
The Ipart/Fpart/Int Function
80
The Abs/Sign/Min/Max/Mod Function
81
The PROB (Probability) Menu
82
The MATH PROB Menu
82
The Factorial/Npr/Ncr/Rand Function
82
The ANGLE Menu
83
The MATH ANGLE Menu
83
The HYP (Hyperbolic) Menu
84
The MATH HYP Menu
84
The Sinh, Cosh and Tanh Functions
84
The MISC (Miscellaneous) Menu
85
The MATH MISC Menu
85
The Sum/Prod/Seq/ICM Functions
85
Sums and Products of Numeric Sequences
85
The Gcd/%/Peval/Root/Eval Functions
86
The > Frac Instruction
86
The INTER (Interpolation) Feature
87
The MATH INTER Editor
87
Interpolating a Value
87
Using the Interpolation Function from a Command Line
87
The CALC (Calculus) Menu
88
The Evalf Function
88
The Nder Function
89
The Der1 and Der2 Functions
90
The Fnint Function
91
The Fmin and Fmax Functions
92
The Arc Function
92
The TOLER (Tolerance) Settings
93
The Δ/Tol Variables
93
Setting Δ or Tol from the Home Screen of a Program
93
The TEST (Relational) Menu
94
The Relational Functions
94
Using Tests in Expressions and Instructions
94
Function Graphing
95
Defining a Graph
96
Graph Databases/Pictures
96
Graphing Modes
97
Checking and Changing the Graphing MODE
97
Setting the Graphing MODE from a Program
97
The GRAPH Menu and Display
98
The "Smart Graph" Feature
99
The GRAPH Screen
99
Setting the Graph Format
100
Checking/Changing FORMT Settings
100
Leaving the FORMT Selection Screen
100
Rectangular or Polar Graphing Coordinate Display/Cursor Coordinate on or off
101
Drawline or Drawdot Graph Display/Sequential or Simultaneous Graphing
101
Grid off or Grid On/Axes on or Axes off Display
101
Axis Label off or Axis Label on
101
Defining Functions in the y(X) List
102
Entering an Expression to Define a New Function
103
Editing an Existing Function in the y(X) List
104
Recalling an Equation Variable into a Function
104
Leaving the y(X) Editor
104
Entering a y(X) Function from the Home Screen or a Program
104
Selecting Functions
105
Turning a Function/All Functions on or off
105
Selecting Functions from the Home Screen or a Program
105
Defining the Viewing Rectangle
106
The Range Variables
106
Checking the Viewing Rectangle
106
Leaving the Range Editor
106
Editing the Range Variables
107
Setting a Range Variable from the Home Screen or a Program
107
ΔX and Δy
107
Displaying a Graph
108
Graphing from the Home Screen and Programs
108
Displaying more of a Graph
109
Graphing a Family of Curves
109
Exploring a Graph with the Free-Moving Cursor
110
Graphing Accuracy
110
Exploring a Graph with the TRACE Feature
111
Moving Along a Function/Panning Left or Right
111
Tracing a Function above or below the Display/Quickzoom/Moving from Function to Function
111
Tracing a Family of Curves/Cursor Coordinate Display/Leaving TRACE
111
Exploring a Graph with the ZOOM Features
112
The GRAPH ZOOM Menu
112
Using ZOOM Box
113
Defining the ZOOM Box
113
Zooming in or out
114
Zooming in on a Graph
114
Using ZOUT
114
ZOOMX and ZOOMY
114
Setting ZOOM Factors
115
Checking/Editing Xfact and Yfact
115
Setting ZOOM Factors from the Home Screen or a Program
115
Other ZOOM Features
116
Previous/Standard/Fit/Square/Trig/Decimal/Integer
116
The User-Defined ZOOM
117
Setting User-Defined ZOOM RANGE Variables
117
Recalling the User-Defined Viewing Rectangle
117
The GRAPH MATH Menu
118
Setting an Interval for MATH Operations
119
Lower and Upper
119
Setting an Interval from a Graph
119
Setting an Interval from the Home Screen or a Program
119
Using the MATH Operations
120
The Root Operation
120
The Dy/DX Operation
120
The ∫F(X)/Ycpt Operation
120
The FMIN and FMAX Operations
121
The ISECT Operation
121
The INFLC Operation
121
The DIST/ARC/TANL Operations
122
Using EVAL to Analyze a Graph
123
Using the Eval Function from the Home Screen or a Program
123
The DRAW Menu
124
The GRAPH DRAW Menu
124
Drawing on a Graph
125
The DRAW Operations
125
Before Drawing on a Graph
125
Clearing a Drawing from a Graph/From the Home Screen or a Program
125
Shading Areas on a Graph
126
The Shading Parameters
126
Drawing a Shaded Area on a Graph
127
Drawing a Line from a Graph
128
Drawing a Line from the Home Screen or a Program
128
Drawing Vertical Lines and Tangent Lines
129
Drawing Circles
130
Drawing Functions and Inverses
131
Using PEN to Draw on a Graph
132
Drawing Points
133
The PTOFF and PTCHG Instructions
133
Storing and Recalling Graph Databases
134
Deleting a Graph Database
134
Storing and Recalling Graph Pictures
135
GRAPH Menu Items in the Program Editor
136
The Vars/Range/Menus
136
The Zoom/Trace Instructions
136
The Dispg/Draw Instruction
137
FORMT Settings/Eval Functions
137
Graph Databases and Pictures
137
GRAPH Menu Chart
138
Example: Using Lists in Graphing
140
Polar Graphing
141
Steps in Defining a Polar Graph
142
Setting the Graphing Mode/The Pol GRAPH Menu
142
Setting the Graph Format/Displaying Polar Equations
142
Defining/Selecting a Polar Equation
143
Displaying the Graph
143
Exploring and Analyzing a Polar Graph
144
The Free-Moving Cursor
144
The TRACE Feature
144
The ZOOM Features
145
Drawing on a Polar Graph
145
Evaluating Equations for a Given Θ
145
The MATH Features
145
Example: Graphing a Limaçon
146
Parametric Graphing
147
Steps in Defining a Parametric Graph
148
Setting the Graphing Mode/Graph Format
148
The Param GRAPH Menu
148
Displaying the Components of Parametric Equations/Deleting Paramentric Equations
148
Defining Components of Parametric Equations
149
Selecting Parametric Equations
149
Exploring and Analyzing a Parametric Graph
150
Evaluating Equations for a Given T
151
Example: Simulating Motion
152
Differential Equation Graphing
153
Defining a Difeq Graph
154
The Difeq GRAPH Menu
154
Displaying the Equations
154
Defining a Differential Equation
155
Selecting Equations
155
Setting the Initial Conditions
155
Displaying and Selecting the Axes
156
Displaying and Exploring a Difeq Graph
157
Drawing on a Difeq Graph
158
Example: Transforming a Differential Equation
159
Example: Solving a Differential Equation
160
Example: Linear Harmonic Oscillator
161
Constants and Conversions
163
The CONS (Constants) Menu
164
Π and E
164
Built-In Constants
164
Entering and Editing Constants
165
Using a Constant in an Expression
165
Creating and Editing User-Defined Constants
166
Defining a New User-Defined Constant
166
Displaying/Editing/Deleting an Existing User-Defined Constant
167
The CONV (Conversions) Menu
168
Using Conversions
170
Strings and Characters
171
Entering and Using Strings
172
String Variables
173
Storing a String
173
Displaying a String Variable
173
The STRNG (String) Menu
174
Finding a Subset/Length of a String
174
Concatenating Strings
174
Converting an Equation to a String
175
Converting a String to an Equation
175
The CHAR (Character) Menu
176
Using Miscellaneous Characters
177
Using Greek Characters
177
Using International Characters in an Expression
178
Number Bases
179
Using Number Bases
180
Number Base Ranges
180
One's and Two's Complements
180
The BASE (Number Base) Menu
181
Designating the Base of a Number
182
Example of Number Base Entry
182
Accessing Hex Digits
183
Entering Hexadecimal Digits
183
Displaying Results in Another Number Base
184
The BASE CONV Menu
184
Using Boolean Operators
185
The BASE BOOL
185
The Boolean Operators And, Or, and Xor
185
The Boolean Operator Not
185
Manipulating Number Base Digits
186
The BASE BIT
186
The Rotate Functions
186
The Shift Functions
186
Entering and Using Complex Numbers
188
Complex Number Variables
188
Complex Results
188
Using a Complex Number in an Expression
188
The CPLX (Complex Number) Menu
189
The Conj/Real/Imag Functions
189
The Abs/Angle Functions
190
The >Rec/>Pol Instruction
190
Lists
191
Entering and Using Lists
192
Using a List in an Expression
192
Storing a List/Displaying a List Variable
193
Results of List Calculations
193
Lists as Arguments
193
List Elements/Accessing List Elements
193
The LIST Menu
194
Names of Lists
194
Selecting a List
195
Editing a List with the LIST Editor
196
Moving Around the LIST Editor
196
Using Math Functions with Lists
197
List Functions
198
The LIST OPS Menu
198
The Sort/Min and Max/Sum Functions
198
The Prod/Seq/Li>VC Functions
199
The Fill Instruction
199
Defining and Recalling List Dimensions
200
Matrices and Vectors
201
Using a Matrix in an Expression
202
Entering a Matrix
202
Storing a Matrix
203
Displaying a Matrix Variable
203
Results of Matrix Calculations
203
Example: Calculating 2 Times the Matrix
204
Matrix Elements
204
The MATRX (Matrix) Menu
205
Names of Matrixes
205
Defining and Editing Matrixes with the Editor
206
Selecting a Matrix
206
Accepting or Changing Matrix Dimensions
206
Displaying Matrix Contents in the Editor
207
Editing a Matrix with the Matrix Editor
208
Moving Around the Matrix Editor
209
Using Math Functions with Matrixes
210
The Addition and Subtraction Functions
210
The Multiplication/Negation/Inverse/Square/Power Functions
210
The Round/Relational/Exponential, sin an Cos/Ipart, Fpart, and Int Functions
211
The MATRIX MATH Menu
212
The Det/Transpose/Norm/Eigvl/Eigvc Functions
212
The Rnorm/Cnorm/Lu/Cond Functions
213
The MATRX OPS (Operations) Menu
214
The Fill Instruction/The Ident/Aug/Randm/Functions
214
Defining and Recalling Matrix Dimensions
215
The DIM Function
215
The Row Function
216
The Ref/Rref/Rswap/Radd/Multr/Mradd Functions
216
Row Functions Examples
217
The MATRX CPLX (Complex) Menu
218
The Conj/Real/Imag/Abs/Angle Functions
218
Creating a Complex Matrix
218
Storing and Using Portions of a Matrix
219
Accessing a Matrix Element/Matrix Row/Submatrix
219
Changing a Matrix
219
Entering and Using Vectors
220
Entering/Storing a Vector
221
Displaying a Vector Variable
221
Example of Entering a Vector
222
Vector Elements
222
Using a Vector Element in an Expression
222
The VECTR (Vector) Menu
223
Defining and Editing Vectors with the Editor
224
Moving Around the Vector Editor
225
Using Math Functions with Vectors
226
The Addition, Subtraction, Multiplication, Division Functions
226
The Negation Functions
226
The Ipart, Fpart, Int/Round/Relational Functions
226
The VECTR MATH Menu
227
The Cross/Unitv/Norm/Dot Functions
227
The VECTR OPS (Operations) Menu
228
The DIM Function/The Fill Instruction
228
Conversions
229
Display Conversion
229
The >Pol/>Cyl/>Sph>/>Rec Instruction
229
The Li>VC/VC>Li Function
229
The VECTR CPLX (Complex) Menu
230
Equation Solving
231
Entering the Equation
232
Defining/Displaying the Variables
233
Entering Variable Values
233
Solving the Equation
234
Initial Guess
234
Selecting the Variable and Solving the Equation
234
Equations with Multiple Roots
235
Further Solutions
235
Editing the Values of Variables
235
The Solver Instruction on a Command Line
235
Exploring the Solution Graphically
236
Controlling the Solution
237
Using the SOLVER
237
Bounding the Solution/Setting the Lower and Upper Bounds from a SOLVER Graph
237
Initial Guess/Selecting a New Guess from a SOLVER Graph
237
Entering the POLY (Polynomial) Equation
238
Solving the Polynomial
239
Editing the Coefficients
239
The Poly Functon in an Expression
239
Entering SIMULT (Simultaneous) Equations
240
Solving Simultaneous Equations
241
Storing the Coefficients or Results/Storing a Single Value
241
Editing the Equation/The Simult Function in an Expression
241
Example: Simultaneous Equations
242
Statistical Calculation
243
Statistical Analysis
244
One-Variable/Two-Variable Statistics
244
Statistical Data
244
The STAT (Statistical) Menu
245
Selecting and Loading Lists
246
Loading Lists in the Editor
247
Entering and Editing Data
248
Editing Data Points with the STAT Editor
248
Moving Around the STAT Editor
249
Sorting/Clearing Lists
249
Calculating Statistical Results
250
The STAT CALC Menu
250
Statistical Results Display
251
Calculating the Results
251
One-Variable Analysis
251
Polynomial Regression
251
The Statistical Results
252
Using a Statistical Result Variable in an Expression
253
Displaying the Value of a Statistical Result Variable
253
The Regression Equation/Polynomial Regressions
253
The STAT DRAW Menu
254
Histogram
254
Scatter Plot/Line Drawng/Clearing Drawing
254
The Drawf Function
254
Drawing Statistical Data
255
Plotting Statistical Data and Regression Equations
255
Storing and Recalling a Stat Drawing
255
Forecasting a Statistical Data Value
256
The Forecasting Screen
256
Entering the X or y Value
256
Storing X and y
256
Using STAT Operations on a Command Line
257
Using STAT Operations on the Home Screen or from a Program
257
Specifying the Lists
257
The STAT CALC Instructions
258
The STAT CALC Menu in the Program Editor
258
The STAT VARS Menu in the Program Editor
258
The STAT Forecast Functions
258
The STAT DRAW Instructions
259
The STAT DRAW Menu in the Program Editor
259
The STAT Sort Instructions
259
Example: Analyzing Two-Variable Statistics
260
Programming
261
Using Programs
262
Menus in the Program Editor
262
Memory Management
262
Executing/"Breaking"/Erasing a Program
263
Sample Program
264
The PRGM (Program) Menu
265
Entering and Editing a Program
266
Selecting a Program
266
Entering Program Commands
267
Changing/Inserting/Deleting/Undeleting a Program Command
268
The I/O (Input/Output) Menu
269
The Input/Output Instructions
270
The Input Instruction with Graphing/With Variables/With CBL or CBR
270
The Prompt Instruction
270
The Disp Instruction
271
Displaying the Home Screen
271
Displaying Messages and Values
271
The Dispg Instruction
272
The Outpt Instruction for Display
272
The Outpt Instruction with CBL or CBR
272
The Inpst Instrucion
272
The Getky Function
273
The CILCD, Ptrscrn Instructions
273
The CTL (Control) Menu
274
The Control Instructions
275
The If/If-Then/If-Then-Else/The End Instructions
275
The For/While/Repeat Instructions
276
The Menu/The Lbl and Goto Instructions
277
The Is>/Ds</Pause/Return/Stop Instructions
278
Calling Other Programs
279
Calling a Program from Another Program
279
Using Application Operations in Programs
280
Accessing Operations in the Program Editor
280
Setting Modes and Formats from Programs
280
Applications
281
Characteristic Polynomial and Eigenvalues
282
The Fundamental Theorem of Calculus
284
Symmetry of the Roots of a Complex Number
286
Fractions and Matrices
287
Funding the Area between Curves
288
Minimizing the Solid of Revolution
289
Electrical Circuits
290
Unusual Equation
292
Program: Taylor Series
294
Convergence of the Power Series
296
Linear Circuits
298
Reservoir Problem
300
Predator-Prey Model
302
Program: Sierpinski Triangle
304
Memory Management - How to Manage Memory
305
The MEM (Memory) Menu
306
Checking Available Memory
307
Checking Memory Used by Specific Variables
307
Deleting Items from Memory
308
Deleting Individual Named Items
308
Resetting the TI-85
309
Leaving a Memory Management Screen
310
Communications Link
311
The TI-85 LINK
312
Linking to Another TI-85/To a PC or Macintosh
312
Connecting the Cable
312
The LINK Menu/Leaving a LINK Screen or Menu
312
Selecting Items to Send
313
The SEND Menu
313
Selecting Items Within a Type
313
The RANGE Items
314
Transmitting Items
315
Receiving Items
316
The Receiving Unit
316
Duplicate Name
316
Insufficient Memory in Receiving Unit
316
Backing up Memory
317
Backing up Memory - Example
318
Tables
319
Table of Functions and Instructions
320
Table of System Variables
340
Reference Information
341
Battery Information
342
When to Replace the Batteries
342
Effects of Replacing the Batteries
342
Replacing the Batteries
342
Computational Accuracy
343
Error Conditions Information
344
In Case of Difficulty
349
Product Support
350
Product Service
350
Warranty Information
351
Index
352

Texas Instruments TI-85 Manual (28 pages)

Brand: Texas Instruments | Category: Calculator | Size: 0 MB

Table of Contents
2
The Viewing Window
5
Turning the Calculator on and off
5
Graphing in the Standard Viewing Window
5
The TRACE Feature
6
Changing the Dimensions of the Viewing Window
6
Scale Marks
6
Locating the Graph
7
The ZOOM Feature
7
Deleting a Function
7
Step Size
7
Piecewise Defined Functions and Dot Mode
8
Split Screen
8
The Greatest Integer Function
9
The Root Operation
9
The Intersect Operation
10
Using STAT and Linreg
11
The TABLE Operation
12
The Value Operation
13
Using TRACE to Go Beyond Viewing Window
13
Executing a Program
13
The Program EVAL
14
Drawing a Tangent Line to a Curve
14
The Program SEC
14
The Program Nderiv
15
The Program NDERG
15
The Program Nder2
15
The Program Nder2G
15
The Program RECT
15
The Program SUM
16
The Program NINTG
16
The Program NINT
17
The Program TRAP
17
The Program SIMP
17
The Program VOL
17
Graphing a Sequence
18

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