Texas Instruments TI-82 STATS Manual Book page 194

LIST OPS Menu
seq(
cumSum(
@List(
Select(
11–12 Lists
(continued)
(sequence) returns a list in which each element is the result
seq(
of the evaluation of expression with regard to variable for the
values ranging from begin to end at steps of increment. variable
need not be defined in memory. increment can be negative; the
default value for increment is 1.
expression.
expression variable
seq( ,
(cumulative sum) returns the cumulative sums of the
cumSum(
elements in list, starting with the first element. list elements can
be real or complex numbers.
list
cumSum( )
returns a list containing the differences between
@List(
consecutive elements in list.
list from the second element, subtracts the second element from
the third, and so on. The list of differences is always one
element shorter than the original list. list elements can be a real
or complex numbers.
list
)
@List(
selects one or more specific data points from a scatter
Select(
plot or xyLine plot (only), and then stores the selected data
points to two new lists, xlistname and ylistname. For example,
you can use
Select(
plotted CBL or CBR data.
xlistname ylistname
Select( ,
Note: Before you use
scatter plot or xyLine plot. Also, the plot must be displayed in the
current viewing window (page 11.13).
is not valid within
seq(
begin end[ increment]
, , ,
subtracts the first element in
@List
to select and then analyze a portion of
)
Select(
, you must have selected (turned on) a
)