Texas Instruments TI-89 Titanium Short User Manual page 167

ClrHome
CATALOG
ClrHome
Clears all items stored in the
Home screen history area. Does not clear the
current entry line.
While viewing the Home screen, you can clear the
history area by pressing ƒ and selecting
Home
For functions such as
constants or integers (@1, @2, etc.),
resets the suffix to 1.
ClrIO
CATALOG
ClrIO
Clears the Program I/O screen.
ClrTable
CATALOG
ClrTable
Clears all table values. Applies only to the
setting on the
While viewing the Table screen in
can clear the values by pressing ƒ and selecting
8:Clear Table
colDim()
MATH/Matrix/Dimensions menu
matrix
colDim(
Returns the number of columns contained in
.
matrix
Note: See also
colNorm()
MATH/Matrix/Norms menu
matrix
colNorm(
Returns the maximum of the sums of the absolute
values of the elements in the columns in
Note: Undefined matrix elements are not
allowed. See also
comDenom()
MATH/Algebra menu
comDenom(
comDenom(
comDenom(
comDenom(
a fully expanded numerator over a fully expanded
denominator.
Appendix A: Functions and Instructions
entry()
.
solve()
dialog box.
Table Setup
.
) ⇒
expression
.
rowDim()
) ⇒
expression
rowNorm()
) ⇒
expression1 [ ,var ] expression
) ⇒
list1 ,var list
[ ]
) ⇒
matrix1 ,var matrix
[ ]
returns a reduced ratio of
expression1
)
and
ans()
8:Clear
that return arbitrary
ClrHome
ASK
mode, you
Ask
colDim([0,1,2;3,4,5]) ¸
[1,ë 2,3;4,5,ë 6]! mat ¸
.
matrix
colNorm(mat) ¸
.
comDenom((y^2+y)/(x+1)^2+y^2+y)
¸
3
1 ë 2
3
[ ]
5 ë 6
4
9
161