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TI-83 Plus Tables and Reference Information 659
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
cumSum(
list
)
Returns a list of the cumulative sums
of the elements in
list
, starting with
the first element.
y
9
OPS
6:cumSum(
cumSum(
matrix
)
Returns a matrix of the cumulative
sums of
matrix
elements. Each
element in the returned matrix is a
cumulative sum of a
matrix
column
from top to bottom.
y
>
MATH
0:cumSum(
dbd(
date1
,
date2
)
Calculates the number of days
between
date1
and
date2
using the
actual-day-count method.
Œ
1:Finance
CALC
D:dbd(
value
4
Dec
Displays a real or complex number,
expression, list, or matrix in decimal
format.
MATH
2:
4
Dec
Degree
Sets degree angle mode. †
z
Degree
DelVar
variable
Deletes from memory the contents of
variable
.
†
CTL
G:DelVar
DependAsk
Sets table to ask for dependent-
variable values.
†
y
-
Depend: Ask
DependAuto
Sets table to generate dependent-
variable values automatically.
†
y
-
Depend: Auto
det(
matrix
)
Returns determinant of
matrix
.
y
>
MATH
1:det(
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