Texas Instruments TI86 User Manual - Page 420
E, display contrast
UPC - 033317192342
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408 Index 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 4DMS (to degrees/ minutes/seconds), 51, 285 dot(, 173, 285 dr/dq, 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