HP 49g Graphing Calculator - Manual (Page 93)

If you had entered 2 for the step value at step 6, then every second integer
in the specified range would have been included in the iterations, and the
result would have been ¡225, 289, 361 j.
To find the sum of the elements in a finite List
1. Select tire list sum command.
0 (MDi) LIST S list
2. Enter or select the list.
For example, ¡2, 4, 7].
3. Press (ENTER).
The answer is 13.
In RPN mode: follow steps 2 and 1.
To find the product of the elements in a finite list
1. Select the list product commaird.
0 O LIST PLIST
2. Enter or select the list.
For example, (2, 3, 4).
3. Press (ENTffl).
The answer is 24.
In RPN mode: follow steps 2 and 1.
To find the set of first differences of a finite sequence
The first differences for the list {X
2
■ ■ ■ } is defined as
{ X 2 - X 1
1. Select the list diffemces conmrand.
0 (MTH) LIST D list
2. Enter or select the list.
For example, ¡2, 5, 11, 13, 33|.
3. Press (ENTER).
The answer is ¡3, 6, 2, 20).
In RPN mode: follow steps 2 and 1.
Page 9-10 Lists and Sequences