### Home > PC > Chapter 2 > Lesson 2.2.2 > Problem2-60

2-60.

Calculator Karlie was trying to adjust her calculator program to evaluate a different summation than the first one she did on the calculator. If the sum Calculator Karlie is trying to find is $\displaystyle \sum _ { k = 2 } ^ { 7 } ( k + 1 ) ^ { 2 }$, explain how to change the index and the equation so she can run her program.

Change $\text{Y}\small1$ to $(k+1)^2$, the starting index to $\text{B}=2$ (or $2→\text{X}$), and the end index to $\text{E}=7$ (or $\text{X}\le7$).