Cumsum, List, Select – Texas Instruments TI-84 User Manual

Page 266

Chapter 11: Lists

263

cumSum(

cumSum(

(cumulative sum) returns the cumulative sums of the elements in

list

, starting

with the first element.

list

elements can be real or complex numbers.

cumSum(list)

List(

List(

returns a list containing the differences between consecutive elements in

list

List

subtracts the first element in

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

elements can be a real or complex numbers.

List(list)

Select(

Select(

selects one or more specific data points from a scatter plot or xyLine plot (only),

and then stores the selected data points to two new lists,

xlistname

and

ylistname

. For