GETTING STARTED
3
J
Graph related keys:
Various settings for graphing can be made using the group of keys indicated in the
box.
•
: Used to open the formula input screen for drawing graphs.
• : This function is used for studying graphs and to aid understanding.
(For details, see page 221.)
•
: Introduces the user to a mode where expansion and reduction of the
graphing screen, input of main functions and graphing settings can be
performed with ease.
(For details, see CHAPTER 4 “15. Useful Functions” on page 124.)
•
: The user can move graph curves and change formats directly with a touch
of a pen (For details, see page 229).
•
: Draws a graph using the formula inputted in
.
3. Explanation of Keys
• Most keys have more than two functions.
• To use a function printed on a key, simply press the button.
• To specify a function (secondary function) printed in yellow above a key or on the
upper left, press
Ï
first.
• To specify a function a character printed in blue on the upper right side of a key,
press the
Å
key first.
However, there are exceptions to this rule, as in the Menu selection screen, etc.,
where
Å
does not have to be pressed first.
<Example>
Ï
z
: Specify sin
-1
Operation of
sÅ
A : Specify character A
s
: Specify sin
▼
▼
▼
sin
-1
A
EL-9650-(01)En (001-036) 8/1/00, 12:04 PM3
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