Texas Instruments TI-83 Manual Book page 683

Function or Instruction/
Arguments
RectGC
ref( matrix )
condition
:Repeat
: commands
:End
commands
:
Return
value #decimals
round( [,
ärow(
value matrix
,
matrix rowA
row+( ,
ärow+( value matrix
,
rowA rowB
, )
matrix
rowSwap( ,
rowB
)
TI-83 Plus Tables and Reference Information
Result
Sets rectangular graphing
coordinates format.
Returns the row-echelon form of a
matrix
Executes
is true.
Returns to the calling program.
]) Returns a number, expression, list,
or matrix rounded to
row
, ) Returns a matrix with
multiplied by
rowB
, ) Returns a matrix with
added to
, Returns a matrix with
multiplied by
and stored in
rowA
, Returns a matrix with
swapped with
.
commands
until
#decimals
row
value
and stored in
rowA
rowB
and stored in
rowA
value
, added to
rowB
.
rowA
rowB
.
Key or Keys/
Menu or Screen/Item
† y .
RectGC
y >
MATH
A:ref(
† 
condition
CTL
6:Repeat
† 
CTL
E:Return

( 9).
NUM
2:round(
y >
matrix
of
row
.
MATH
E:ärow(
y >
matrix
of
rowB
.
MATH
D:row+(
y >
matrix
of
rowB
,
MATH
F:ärow+(
y >
matrix
of
MATH
C:rowSwap(
680