beautypg.com

Texas Instruments TI-86 User Manual

Page 420

background image

408

Index

99INDEX.DOC TI-86, Index, US English Bob Fedorisko Revised: 02/13/01 2:51 PM Printed: 02/27/01 1:29 PM Page 408 of 15

DELf (delete function), 77

DELi (delete element), 170

DELr (delete row), 179

Deltalst( (delta list), 160, 279

DelVar( (delete variable), 219,

280

der1( (first derivative), 54, 280

der2( (second derivative), 54,

280

derivatives

calculating, 7

det (determinant), 183, 281

DFLTS (defaults), 232

DifEq (differential equation

mode), 35, 74, 239, 281

differential equation editor, 134

differential equation graphs, 74

displaying, 138

drawing, 145

mode, 35

differential equations

changing to first order, 142

defining graph, 132

drawing solutions, 148

DrEqu(, 287

editor, 134

EXPLR, 148

differential equations (continued)

graphing, 132, 137, 139, 141,

142

initial conditions editor, 136

mode, 144

Q'n equation variables, 135

setting axes, 137

setting graph format, 133

setting graphing mode, 132

solving, 139

tracing, 144

using EVAL, 150

window variables, 135

differentiation modes, 36

difTol (tolerance), 136

dim (dimension), 173, 184, 281

dimL (dimension of list), 159,

282

DirFld (direction field), 134,

282

Disp (display), 216, 283

DispG (display graph), 283

display, 17

display contrast

adjusting, 17, 18

displaying a menu, 31

DispT (display table), 284

DIST (distance), 96, 98

division (/), 284

division symbol, 3

4

DMS (to degrees/

minutes/seconds), 51, 285

dot(, 173, 285

dr/d

q, 122

DRAW, 75, 88

DrawDot, 84, 285

DrawF (draw function), 103,

107

, 286

drawing

circles, 106

differential equation graphs,

145

freehand points, lines,

curves, 107

function, tangent line,

inverse function, 107

line segments, 105

lines, 105, 106

parametric graphs, 130

points, 108

polar graphs, 122

drawing tools, 101

drawings

clearing, 103

drawings (continued)

recalling, 102

saving, 102

DrawLine, 84, 286

DrEqu( (draw equation), 145,

287

DrInv (draw inverse), 103, 107,

287

DS<( (decrement and skip),

219, 288

DUPLICATE NAME menu, 241

dx/dt, 130

dxDer1 (exact differentiation),

36

, 75, 288

dxNDer (numeric

differentiation), 36, 75, 288

dy/dt, 130

dy/dx, 96, 99, 130

E

E

(exponent), 48, 292

e^ (e raised to power), 288

editing equations, 205

editor menu, 33

eigVc (eigenvector), 183, 289

eigVl (eigenvalue), 183, 289