Texas Instruments TI-83 PLUS - Manual (Page 662)

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.
Π1: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(