Chapter 14: statistics, Chapter 15: equation solving – Texas Instruments TI-86 User Manual
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TI
-86 Table of Contents
$$TOC.DOC TI-86 TOC, US English Bob Fedorisko Revised: 02/13/01 1:48 PM Printed: 02/13/01 2:59 PM Page x of 10
$$TOC.DOC TI-86 TOC, US English Bob Fedorisko Revised: 02/13/01 1:48 PM Printed: 02/13/01 2:59 PM Page x of 10
The MATRX (Matrix) Menu ...................................................... 178
The MATRX NAMES Menu ....................................................... 178
Creating a Matrix in the Matrix Editor ..................................... 178
The Matrix Editor Menu ........................................................... 179
Creating a Matrix on the Home Screen .................................... 180
Creating a Complex Matrix ...................................................... 180
Displaying Matrix Elements, Rows, and Submatrices............... 181
Using a Matrix in an Expression............................................... 181
Editing Matrices in the Matrix Editor ....................................... 182
Editing Matrices on the Home Screen ...................................... 182
The MATRX MATH Menu ......................................................... 183
The MATRX OPS (Operations) Menu ........................................ 184
The MATRX CPLX (Complex ) Menu......................................... 185
Using Mathematical Functions with Matrices............................... 185
Chapter 14: Statistics
187
Statistical Analysis on the TI
-86.................................................... 188
Setting Up a Statistical Analysis.................................................... 188
The STAT (Statistics) Menu....................................................... 188
Entering Statistical Data........................................................... 189
The LIST NAMES Menu............................................................. 189
The STAT CALC (Calculations) Menu........................................ 189
Automatic Regression Equation Storage .................................. 191
Results of a Statistical Analysis..................................................... 192
The STAT VARS (Statistical Variables) Menu ............................ 192
Plotting Statistical Data.................................................................194
The STAT PLOT Status Screen...................................................194
The STAT PLOT Menu ...............................................................195
Setting Up a Stat Plot ...............................................................195
Turning On and Turning Off a Stat Plot ....................................195
The PLOT TYPE Menu (Selecting a Plot Type)...........................196
Plot Type Characteristics ..........................................................196
The STAT DRAW Menu..................................................................199
Forecasting a Statistical Data Value..............................................199
Chapter 15: Equation Solving
201
Preview: The Equation Solver........................................................202
Entering an Equation in the Equation-Entry Editor........................203
Setting Up the Interactive-Solver Editor ........................................204
Entering Variable Values ..........................................................204
Controlling the Solution with Bounds and a Guess ..................204
Editing the Equation.................................................................205
The Solver Menu.......................................................................206
Solving for the Unknown Variable ................................................206
Graphing the Solution ...................................................................207
Solver Graph Tools ........................................................................207
The Solver ZOOM Menu ...........................................................208
The Simultaneous Equation Solver................................................208
Entering Equations to Solve Simultaneously ............................208
Storing Equation Coefficients and Results to Variables............210
The Polynomial Root-Finder ..........................................................211