Texas Instruments TI-89 Manual Book page 612

E (continued)
entry( ), entry, 50, 443
EOS (Equation Operating System), 568
equal, =, 294, 529
Equation Operating System (EOS), 568
equations, solving, 333 – 341
errors and troubleshooting, 579, 580
Circular definition, 289
clear error, ClrErr, 310, 420
Memory error, 364
messages, 542 – 549
Out-of-memory, 79
pass error, PassErr, 310, 479
programs, 310
transmission, 369, 377
warnings, 549
Estep window variable, 182
Euler method, 180, 193
evaluate polynomial, polyEval( ), 480
exact( ), exact, 443
Exact/Approx mode, 29, 41, 54, 61, 62, 63, 553
examples, previews, activities
3D graphing, 154, 390
baseball, 400
CBL 2/CBL program, 399
complex factors, 406
complex modulus surface, 170
complex numbers, 8
complex zeroes, 402
constants, 82
converging web plots, 148
cos(x)=sin(x) activity, 389
cubic polynomial, 402
data filtering, 396
data/matrix editor, 238
decomposing a rational function, 394
derivatives, 10
differential equations, 176
diverging web plots, 148
expanding expressions, 9
factorial, 8
factoring polynomials, 9, 72
Fibonacci sequence, 151
function graphing, 106
graphing functions, 11
implicit plots, 173
integrals, 10
memory management, 350, 351, 352
number bases, 344
numeric solver, 334
oscillating web plots, 149
parametric graphing, 128, 400
path of a ball, 128
piecewise functions, 202
polar rose, 134
pole-corner problem, 384
population, 254 – 257
preditor-prey model, 150, 191
prime factors, 8
programming, 276, 277, 311, 312
Pythagorean theorem, 384
quadratic formula, 386
rational factors, 406
real factors, 406
reducing expressions, 9
sampling, 407
second-order differential equation, 187, 196
sequence graphing, 140
solving linear equations, 9, 10, 73
split screen, 232, 400
standard annuity, 404
statistics, 254 – 257
symbolic manipulation, 58
tables, 222
text operations, 316
third-order differential equation, 189
time value of money, 405
trees and forest, 140
tutorial script with the text editor, 392
units of measurement, 82
variable management, 350, 351, 352
exclusive or (Boolean), xor, 294, 347, 518
exclusive or picture, XorPic, 306, 519
Exec, execute assembly language, 314, 444
execute program, Prgm, 276, 287, 481
Exit, exit, 444
exp4list( ), expression to list, 444
expand( ), expand, 9, 70, 72, 386, 402, 445
exponent, í, 441
Exponential Format mode, 31, 41, 551
expr( ), string to expression, 292, 293, 301, 381,
446
ExpReg, exponential regession, 261, 446, 570
expressions, 26, 27, 32
expanding, 9
expression to list, exp4list( ), 444
reducing, 9
string to expression, expr( ), 292, 293, 301,
381, 446
Extract menu, 71
eye rotation window variable, 158, 162, 163
eye x-axis window variable, 158, 162
q
eye f z-axis window variable, 158, 162, 163
F
factor( ), factor, 8, 9, 61, 70, 72, 387, 406, 447
factorial, !, 8, 531. inside front cover, inside
back cover
factoring, 9, 72
activity, 406
false message, 80
family of curves, 208, 209
Fibonacci sequence, 151
Field graph format, 180
Index 595