Solve:

sigma4

 

Casio graphing calculator

Steps

1
Push AC/ON button
2
Push OPTN button
3
Push F1 for List menu
4
Push F6 twice until you see the Sum option
5
Push F1 for Sum option
6
Push EXIT button to go back to the OPTN menu
7
Push F1 for List
8
Push F5 for Sequence
9
Enter the expression 5n+10 inside the sequence parenthesis (for n push the x variable button) X-variable button looks like calculatorM6. Do not close the parenthesis after entering the expression 5n+10.
10
Push comma button calculatorM6
11
Push x-variable button calculatorM6
12
Push comma button calculatorM6
13
Enter start value 3
14
Push comma button calculatorM6
15
Enter end value 7
16
Push comma button calculatorM6
17
Enter increment 1
18
Push close parenthesis ) button.
19
Push EXE button. The calculator executes the operation and returns the correct sum of 175.
   
Casio fx9750GII Graphing Calculator
Posted: May 3rd, 2015