HP 17BIIPLUS Owner's Manual page 33

Calculate the cost of carpet needed to cover a 9' by 12' room. The
carpet costs $22.50 per square yard.
Starting from the MAIN menu (press
Keys: Display:
& 5?@AB9BCD,87EF:"
"
E
22.5 "
5?@A8$$&.("
5?@A
12 8 98#$&(("
C8,&(("
9 9
) 7EF:8$-(&(("
Now determine the most expensive carpet you can buy if the maximum
amount you can pay is $300. Notice that all you need to do is enter the
one value you are changing―there is no need to re-enter the other
values.
300 ) 7EF:8%((&(("
"
5?@A8$.&(("
5?@A"
"
ee
*
If you entered this equation but don't see it now, press [ or ] until you do.
@A ):
Description:
Displays the SOLVE menu
and the current
*
equation.
Displays the customized
menu for carpeting.
Stores the price per
square yard in P/YD.
Stores the length in L.
Stores the width in W.
Calculates the cost to
cover a 9' x 12' room.
Stores $300 in COST.
Calculates the maximum
price per square yard you
can pay.
Exits Solver.
1: Getting Started 33