Texas Instruments TI-89 Titanium Short User Manual page 233

randPoly()
MATH/Probability menu
var
randPoly(
Returns a polynomial in
The coefficients are random integers in the range
ë 9 through 9. The leading coefficient will not be
zero.
must be 0–99.
order
RandSeed
MATH/Probability menu
number
RandSeed
If
number
defaults for the random-number generator. If
number
which are stored in system variables
and
seed2
RclGDB
CATALOG
GDBvar
RclGDB
Restores all the settings stored in the Graph
database variable
For a listing of the settings, see
Note: It is necessary to have something saved in
GDBvar
RclPic
CATALOG
picVar
RclPic [,
Displays the Graph screen and adds the picture
stored in
coordinates (
picVar
Default coordinates are (0, 0).
real()
MATH/Complex menu
expression1
real(
Returns the real part of the argument.
Note: All undefined variables are treated as real
variables. See also
) ⇒
list1
real(
Returns the real parts of all elements.
) ⇒
matrix1
real(
Returns the real parts of all elements.
Appendix A: Functions and Instructions
) ⇒
order expression
,
of the specified order.
var
= 0, sets the seeds to the factory
ƒ 0, it is used to generate two seeds,
.
.
GDBvar
before you can restore it.
row column
, ]
at the upper left-hand corner pixel
picVar
, ) using OR logic.
row column
must be a picture data type.
) ⇒
expression
.
imag()
list
matrix
RandSeed 1147 ¸
randPoly(x,5) ¸
RandSeed 1147 ¸
rand() ¸
seed1
RclGDB GDBvar ¸
.
StoGDB
real(2+3
real(z) ¸
real(x+
real({a+
real([a+
ë 2ø x ì 6ø x
5 +3ø x 4
i ) ¸
i
y) ¸
i ù b,3, i }) ¸ {a
i i
ù b,3;c, ]) ¸
Done
3 +4ø xì 6
Done
...
.158
Done
2
z
x
3 0}
a 3
[ ]
c 0
227