Texas Instruments Voyage 200, User Manual

Page: 535 / 1008

Data/Matrix Editor 535
Using the CumSum Function Using the CumSum Function Using the CumSum Function Using the CumSum Function
The
cumSum
function returns a cumulative sum of the elements in a base column. Use
†
to define a column header with the syntax:
For example:
Note:
To enter
cumSum
, type it, select it from the CATALOG, or press
2 I
and
select it from the List submenu.
Sorting Columns Sorting Columns Sorting Columns Sorting Columns
After entering information in a data, list, or matrix variable, you can easily sort a specified
column in numeric or alphabetical order. You can also sort all columns as a whole, based
on a “key” column.
cumSum (
column
)
Column used as the base for the cumulative sum.
1+2
1+2+3+4
c2=cumSum(c1)