Texas Instruments TI-89 Calculator User Manual


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shift, shift( ) . . . . . . . . . . . . . . . . . 875
sorting columns
. . . . . . . . . . . . . 535
statistical plots
. . . . . . . . . . . . . . 551
values
. . . . . . . . . . . . . . . . . 523, 524
data/matrix editor
. . . . . . . . . . . . . . . 469
data4mat( )
. . . . . . . . . . . . . . . . . . . . 806
date
reset
. . . . . . . . . . . . . . . . . . . . . . . 48
setting
. . . . . . . . . . . . . . . . . . . . . . 40
dayOfWk( ), day of week
. . . . . . . . . 807
DE (differential equation) mode
. . . . . 38
decimal
angle display, 4DD
. . . . . . . . . . . 807
integer display, 4Dec
. . . . . 681, 807
define toolbar, Toolbar
. . . . . . . 621, 892
Define, define
. . 357, 413, 446, 742, 808
define, Define
. 224, 271, 309, 350, 357,
378, . 413, 446, 472, 479, 591, 596,
627, . . . . . . . . . . . . . . . . . . 742, 808
DEG (degree) mode
. . . . . . . . . . . . . . 38
degree notation, -
. . . . . . . 764, 910, 911
degree/minute/second display, 4DMS
813
delete character (0 / (8 .)
. . . . . . 16
deleting
folder, DelFold
. . . . . . . . . . 596, 808
variable, DelVar
238, 270, 596, 600,
809
variables of type
. . . . . . . . . . . . . 705
deleting variables
. . . . . . . . . . . . . . . 143
DelFold, delete folder
. . . . . . . . 596, 808
DelType
. . . . . . . . . . . . . . . . . . . . . . 809
DelType command
. . . . . . . . . . . . . . 705
DelVar, delete variable
. . .596, 600, 809
denominator
. . . . . . . . . . . . . . . . . . . 795
derivatives
. . . . . . . . . . . . . . . . . . . . . . 79
first derivative, d ( )
. . . . . . . . . . . 806
first derivative,
d() .79, 247, 265, 267
numeric derivative, nDeriv( )
266, 846
Derivatives (graph math tool)
. 331, 334,
346, . . . . . . . . . . . . . . . . . . . . . . . 353
deSolve( ), solution
. . . . . .266, 444, 809
det( ), matrix determinant
. . . . . . . . . 810
diag( ), matrix diagonal
. . . . . . . . . . . 811
dialog box
CLOCK
. . . . . . . . . . . . . . . . . . . . . 41
edit categories
. . . . . . . . . . . . . . . . 33
menu indicator
. . . . . . . . . . . . . . . 53
MODE
. . . . . . . . . . . . . . . . . . . . . . 17
to open Apps
. . . . . . . . . . . . . . . . . 28
dialog box, define, Dialog
. . . . .621, 811
dialog boxes
. . . . . . . . . . . . . . . . . . . 179
Dialog, define dialog box
. . . . . .621, 811
Diamond modifier key (8)
description
. . . . . . . . . . . . . . . . . . . 13
status
. . . . . . . . . . . . . . . . . . . . . . 38
differential equations
DIRFLD, direction field
. . . .415, 423
first order
. . . . . . . . . . . . . . . 425, 444
FLDOFF, field off
. . . .415, 424, 451
graphing
. . . . . . . . . . . . . . . 410452
initial conditions
. . . . . . . . . . . . . . 421
second order
. . . . . . . . . . . .427, 444