CASTI-89 TITANIUM · CALC89
cumSum(
Returns a list of the running totals of a list's elements.
Syntax
cumSum(list)
- Group
- List
- Arguments
- Takes one list.
- Availability
- Included
- Menu path
- MATH ▸ List ▸ CAS ▸ cumSum(
Example
| Input | Result |
|---|---|
| cumSum({1,2,3,4}) | {1,3,6,10} |
Typing cumSum({1,2,3,4}) on the home screen and pressing ENTER returns {1,3,6,10}.
Keystrokes on the TI-89 Titanium
2NDMATH3▶×31
The same key sequence inserts cumSum( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- deltaList(Returns a list of the differences between consecutive elements of a list.
- product(Returns the product of the elements of a list.
- seq(Builds a list by evaluating an expression as a variable runs from a low to a high value.
- SortASorts a list variable in ascending order and stores the result back in the variable.
- SortDSorts a list variable in descending order and stores the result back in the variable.
- sum(Returns the sum of the elements of a list.