Texas Instruments TI-84 Plus Manual Book page 145

Function or
Instruction/Arguments
matrix
det( )
DiagnosticOff
DiagnosticOn
listname
dim( )
matrixname
dim(
!
length listname
dim(
!
rows columns
{ , }
matrixname
dim(
Disp
valueA valueB
[
Disp ,
valueC value n
...
, ,
DispGraph
DispTable
Appendix A: Functions and Instructions
Result
Returns determinant of
matrix
Sets diagnostics-off mode;
2
, , and
r r
displayed as regression
model results.
Sets diagnostics-on mode;
2
, , and
r r
as regression model
results.
Returns the dimension of
listname
Returns the dimension of
)
matrixname
Assigns a new dimension
)
length
(
existing
Assigns new dimensions
to a new or existing
)
matrixname
Displays the home screen. † 
Displays each value.
,
]
Displays the graph.
Displays the table.
.
2
are not
R
2
are displayed
R
.
as a list.
) to a new or
listname
.
.
Key or Keys/Menu
or Screen/Item
y >
MATH
1:det(
y N
DiagnosticOff
y N
DiagnosticOn
y 9
OPS
3:dim(
y >
MATH
3:dim(
y 9
OPS
3:dim(
y >
MATH
3:dim(
I/O
3:Disp
† 
I/O
3:Disp
† 
I/O
4:DispGraph
† 
I/O
5:DispTable
137