Texas Instruments TI-89 Titanium User Manual page 949

variable, DelVar 225
784
deleting variables . . . . . . . . . . . . . . . 131
DelFold, delete folder . . . . . . . . 581
DelVar, delete variable . . . 581
denominator . . . . . . . . . . . . . . . . . . . 771
derivatives . . . . . . . . . . . . . . . . . . . . . 73
first derivative, d ( ) . . . . . . . . . . . 782
first derivative,
numeric derivative, nDeriv( ) 253
Derivatives (graph math tool) . .317
,
332 . . . . . . . . . . . . . . . . . . . . . . 339
deSolve( ), solution . . . . . . 253
det( ), matrix determinant . . . . . . . . . 786
diag( ), matrix diagonal . . . . . . . . . . . 786
dialog box
CLOCK . . . . . . . . . . . . . . . . . . . . . 37
edit categories . . . . . . . . . . . . . . . 30
menu indicator . . . . . . . . . . . . . . . 48
MODE . . . . . . . . . . . . . . . . . . . . . 14
to open Apps . . . . . . . . . . . . . . . . 25
dialog box, define, Dialog . . . . . 605
dialog boxes . . . . . . . . . . . . . . . . . . . 167
Dialog, define dialog box . . . . . 605
Diamond modifier key (8)
description . . . . . . . . . . . . . . . . . . 10
status . . . . . . . . . . . . . . . . . . . . . . 34
differential equations
DIRFLD, direction field . . . . 401
first order . . . . . . . . . . . . . . 411
FLDOFF, field off . . . . 401
, , ,
257 581
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584
, , ,
( ) 73 234 252
d
,
,
, ,
430
,
,
,
,
, ,
410
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584 graphing . . . . . . . . . . . . . . . 396
initial conditions . . . . . . . . . . . . . . 407
second order . . . . . . . . . . . . 413
784 SLPFLD, slope field . . 401
784 solution methods . . . . . . . . . 400
third order . . . . . . . . . . . . . . . . . . 417
troubleshooting . . . . . . . . . . . . . . 433
diftol window variable . . . . . . . . . . . . 404
254 dim( ), dimension . . . . . . . . . . . . . . . . 787
818 dimension, dim( ) . . . . . . . . . . . . . . . . 586
,
320 direction field, DIRFLD . . . 401
DIRFLD, direction field . . . 401
784 Disp, display I/O screen . 118
,
620
DispG, display graph . . . . . 604
DispHome, display Home screen . . 604
787
display
graph, DispG . . . . . . . . 604
Home screen, DispHome . . 604
I/O screen, Disp 118
786 787
table, DispTbl . . . . . . . 604
786 display as
binary, 4Bin . . . . . . . . . . . . . 665
cylindrical vector, 4Cylind . . . . . . 780
decimal angle, 4DD . . . . . . . . . . . 782
decimal integer, 4Dec . . . . . 665
degree/minute/second, 4DMS . . . 788
409
hexadecimal, 4Hex . . . . . . . 665
430
polar vector, 4Polar . . . . . . . . . . . 827
437
. . . . . . . . . . . . . . . . . . . . . . . 787
,
567
–
438
,
430
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409 434
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425
, ,
409 436
, ,
409 436
, , ,
567 604
, ,
611 787
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, ,
611 787
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787
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604 620
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611 788
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767
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782
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804
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