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Texas Instruments TI-89 Guide Book

Texas Instruments TI-89
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Appendix B: Reference Information 567
8992APPB DOC TI
-
89/TI
-
92 Plus:8992a
pp
b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 567 of 34
y1(x)–y99(x)* y1'(t)–y99'(t)* yi1–yi99* r1(
q
)–r99(
q
)*
xt1(t)–xt99(t)* yt1(t)– yt99(t)* z1(x,y)–z99(x,y)* u1(n)–u99(n)*
ui1–ui99* xc yc zc
tc rc
q
cnc
xfact yfact zfact xmin
xmax xscl xgrid ymin
ymax yscl ygrid xres
@
x
@
y zmin zmax
zscl eye
q
eye
f
eyeψ
ncontour
q
min
q
max
q
step
tmin tmax tstep t0
tplot ncurves diftol dtime
Estep fldpic fldres nmin
nmax plotStrt plotStep sysMath
zxmin zxmax zxscl zxgrid
zymin zymax zyscl zygrid
zxres z
q
min z
q
max z
q
step
ztmin ztmax ztstep zt0de
ztmaxde ztstepde ztplotde zzmin
zzmax zzscl zeye
q
zeye
f
zeyeψ znmin znmax zpltstrt
zpltstep
xyG
x
s
x
G
x
2
G
xy
G
y
s
y
G
y
2
corr maxX maxY
medStat medx1 medx2 medx3
medy1 medy2 medy3 minX
minY nStat q1 q3
regCoef* regEq(x)* seed1 seed2
Sx Sy R
2
tblStart
@
tbl tblInput
c1–c99 sysData*
main ok errornum
eqn* exp*
System Variables and Reserved Names
This section lists the names of system variables and reserved
function names that are used by the TI
-
89 / TI
-
92 Plus. Only
those system variables and reserved function names that are
identified by an asterisk (*) can be deleted by using DelVar
var
on the entry line.
Graph
Graph Zoom
Statistics
Table
Data/Matrix
Miscellaneous
Solver

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Texas Instruments TI-89 Specifications

General IconGeneral
Display size (HxV)100 x 160 mm
Memory type639K FLASH ROM, 188K bytes RAM
Compatible operating systemsOperating System 2.09
Battery typeAAA

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