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Sharp EL-9900 User Manual

Page 96

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Chapter 6: Advanced Graphing Features — Advanced Keyboard

7. Press

G to draw the graph.

8. If the line is outside of the

graph’s range, press

Z

then

1 to select

automatic zoom.

This will only display a small

portion of the graph, so the

graph’s range will need to be changed.

9. Press

W. Find nMax=

and change the value to 15

(default: 10). Next, find

Xmax= and change the

value to 15 too (default: 10).

10. Press the

G key again.

11. Use the graph trace function

by pressing

U. As '

is pressed several times, the

n value (=X value, since the

graph is set to “Time” format)

increases, and the Y value

(the balance of your ac-

count) will change. Find the

Y value when the

n value is

6 (after 6 months) as well as

the value when n=12 (after 12 months = 1 year).

You can obtain the value directly from the CALC menu.

1. Press

@ k and

select 1 VALUE.

n= will appear on the bottom

line of the screen.

2. Enter the

n value of 6, and

press

E.

3. Follow the procedure 1 to 2 to obtain the Y value for 12.