Calculator User Manual

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