fx-991EX Quick Start Guide
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The function that represents the volume of the box is
f(x)= x(20-x)(15-x).
To enter this function, press
x
(20-
x
)
(15-
x
)p
.
From the Main Menu, use the arrow keys to highlight the Table
icon and press
p
or press
9
.
To change the setup of the table to generate a table with only one
function, press
q
p
(SET UP).
Use the down arrow key to view the menu option for Table; it
will be the 3rd screen.
Press
2
(Table) to choose the number of functions used in
the table.
Press
1
(f(x)) to generate a table with only one function as
an input.
The Table feature on the
fx-991EX
is a powerful way to solve a single function or two functions simultaneously.
The table range and step is easily customizable.
Consider the classic volume of a box problem. What is the maximum volume of a box made from a 20x15 sheet of
cardboard by removing squares from each corner?
TABLE
