beautypg.com

Texas Instruments TI-86 User Manual

Page 421

background image

Index

409

99INDEX.DOC TI-86, Index, US English Bob Fedorisko Revised: 02/13/01 2:51 PM Printed: 02/27/01 1:29 PM Page 409 of 15

element

matrix, 181

ellipsis

at end of line, 19

in matrix row, 179

Else, 218, 306

e-mail address (TI Customer

Support), 392

End, 218, 290, 297, 306

Eng (engineering notation), 34,

20

, 290

entry

executing, 19

storing to, 29

entry cursor, 18, 22, 23

[ENTRY] key, 19

ENTRY Storage Area, 28, 29

EOS. See Equation Operating

System

Eq

4St( (equation to string), 227,

290

eqn (equation) variable, 54,

203, 205

EQU (equation variables), 43

equal (=), 290

equal to (==), 291

equation

entering, 203

evaluating, 122, 130

equation coefficients

storing to a variable, 210

equation editor, 74, 75, 76, 80

entering a function, 77

graph styles, 77

parametric, 126

polar, 118

Equation Editor menu, 76

Equation Operating System,

397

equation results

storing to a variable, 210

equation solver, 40, 202

graph tools, 207

equation storage

automatic regression, 191

equation variables, 40, 43, 78

equation-entry editor, 203

equations

editing, 205

solving, 206

error conditions, 393

error menu, 31

error message, 27

error type, 27

errors, 17, 27

correcting, 27

diagnosing, 27

from attached formulas, 165

EStep, 136

Euler method, 133, 291

eval, 52, 76, 88, 101, 122, 130,

150

, 291

evalF(, 54, 292

evaluating a function for x, 101

evaluating equations, 122, 130

e

x

(constant e raised to a

power), 48

exact differentiation, 36

EXIT (cancel data

transmission), 241

exiting a menu, 6, 33

exp variable, 54, 203

EXPLR (explore), 148
exponent (å), 292

ExpR (exponential regression),

190, 293

expression, 18, 20, 24, 25, 26,

30

, 48

editing, 4

entering, 24

expression (continued)

entering a list, 153

evaluating, 29, 30

using a complex number, 71

using a vector, 172

using matrix, 181

F

factorial (!), 50, 294

Fahrenheit

converting to Celsius, 8

family of curves

graphing, 86

in parametric graphs, 129

in polar graphs, 120

fcstx (forecast x), 294

fcsty (forecast y), 294

feature symbol, 39

field formats, 134

Fill, 184

Fill(, 160, 173, 295

Fix, 295

FldOff (slope and direction

fields off), 134, 295

fldPic (field) variable, 138

Float, 35, 295