Iteration the example

Problem

Start with            



give your answer to 3 decimal places and  use the iteration


to work out an approximate solution to

Use the calculator ( press enter until it apears continuously  0.656......)

Step 1 :  press 2 and press enter

Step 2: press

Step 3 :  3
Step 4 : 0.75
Step 5 : 0.676
.....
Step n : 0.656620431

Solution x=0.657