Casio fx-570MS - Manual (Page 10)

– 7 –
Square Roots
Arrange the following from smallest to largest.
7, 2.7, 22/3, 18/ 7
Calculate the approximate square root values and then
compare the results.
1 .
Enter the COMP Mode.
F 1
2 .
Determine the approximate value of 7.
L 7 =
Result: 7
Լ 2.645751311 ]
3 .
Determine the approximate value of 22/3.
L R 22 \ 3 T =
Result: 22/3
Լ 2.708012802
4 .
Convert 18/7 to its decimal equivalent.
18 \ 7 =
Result: 18/ 7 =
2.571428571
5 .
Using the [ key to scroll through and compare the results produced by steps 2 through 4
reveals that the proper ascending order arrangement of the values is: 18/ 7 < 7 < 2.7 < 22/3.
Example 1 Example 1
Explanation Explanation
Operation