Casio fx-7400G PLUS Booklet

Also see for fx-7400G PLUS: User guide Product catalogue Specifications Specifications Programing manual

– 44 –AC-2 Sum of Products and MeanCalculator Operation1 Use the LIST function.2 Input the values for x (11.4, 11.9, 12.4) into List 1.3 Input the values for y (9, 32, 53) into List 2.4 Move the cursor to the top of List 3.5 Perform the following key operation to calculate the values of xy.K1(LIST)1(List)1*1(List) 2wQ6 To calculate the value of “Total,” move the cursor to line 4 of List 2 and then perform thefollowing key operation.K1(LIST)[[2(Sum)[1(List) 2w7 To calculate the value of “Sum,” move the cursor to line 4 of List 3 and then perform thefollowing key operation.K1(LIST)[[2(Sum)[1(List) 3w8 To calculate the value of “Mean,” move the cursor to line 5 of List 3, and then divide theresult (Sum) obtained in step 7 by the result (Total) obtained in step 6.Perform the following key operation.1140.6/94=12.134Another way of performing the step 8 is to move the cursor to the title of List 4 andperform the key operation below.K1(LIST)1(List) 3/1(List) 2wQx y xy11.4 9 111.9 32 212.4 53 35Total 4Sum6MeanAnswers1102.6 2380.8 3657.2 41140.6594 612.1