HP 17bII+ - Manual (Page 33)

1: Getting Started 33
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
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
@A ):
Keys: Display: Description:
  Displays the SOLVE menu
and the current
equation.
*
  Displays the customized
menu for carpeting.
22.5    Stores the price per
square yard in P/YD.
12   Stores the length in L.
9   Stores the width in W.
  Calculates the cost to
cover a 9’ x 12’ room.
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
  Stores $300 in COST.
   Calculates the maximum
price per square yard you
can pay.
ee  Exits Solver.
* If you entered this equation but don’t see it now, press [ or ] until you do.