Sum Of Products - Casio fx-7400G PLUS Booklet

AC-1 Sum of Products
x y
2.1 3.5
7.8 6.9
5.6 1.4
Calculator Operation
1 Use the LIST function.
2 In List 1, input the x values 2.1, 7.8, 5.6.
3 In List 2, input the y values 3.5, 6.9, 1.4.
4 Move the cursor to the title of List 3.
5 Perform the following key sequence to obtain the value of xy.
K1
(LIST)
6 To obtain a value for "Total," move the cursor to line 4 of List 3 and input the following.
K1
(LIST)
Deleting Input Data
[1
(DEL): Deletes a single data item
[2
(DEL A)
•
xy
1
2
3
4Total
1 *1
1
(List)
[[2
(Sum)
1
(YES): Deletes all data in the currently selected list.
Answers
17.35 253.82 37.84 469.01
wQ
2
(List)
[1 w
3
(List)
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