Texas Instruments TI-89 Titanium Short User Manual

Appendix A: Functions and Instructions 161
ClrHome CATALOG
ClrHome
Clears all items stored in the entry() and ans()
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
8:Clear
Home.
For functions such as
solve() that return arbitrary
constants or integers (@1, @2, etc.),
ClrHome
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 ASK
setting on the Table Setup dialog box.
While viewing the Table screen in
Ask mode, you
can clear the values by pressing ƒ and selecting
8:Clear Table.
colDim() MATH/Matrix/Dimensions menu
colDim( matrix ) ⇒ expression
Returns the number of columns contained in
matrix .
Note: See also
rowDim().
colDim([0,1,2;3,4,5]) ¸ 3
colNorm() MATH/Matrix/Norms menu
colNorm( matrix ) ⇒ expression
Returns the maximum of the sums of the absolute
values of the elements in the columns in
matrix .
Note: Undefined matrix elements are not
allowed. See also
rowNorm().
[1,ë 2,3;4,5,ë 6]! mat ¸
[
1 ë 2 3
4 5 ë 6
]
colNorm(mat) ¸ 9
comDenom()MATH/Algebra menu
comDenom( expression1 [ ,var ]) ⇒ expression
comDenom( list1 [ ,var ]) ⇒ list
comDenom( matrix1 [ ,var ]) ⇒ matrix
comDenom( expression1 ) returns a reduced ratio of
a fully expanded numerator over a fully expanded
denominator.
comDenom((y^2+y)/(x+1)^2+y^2+y)
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Texas Instruments TI-89 Titanium Specifications

General

Brand	Texas Instruments
Model	TI-89 Titanium
Category	Calculator
Language	English