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Chapter 4: Graphing Features
2. Press 2 E.
3. Press 1 E.
4. Press _ 3 E.
114
If independent memories A to C contain any numeric values,
the graph is drawn based on these values.
* If the equation (in this example, Y1) on which the cursor is
located contains no variables, the substitution feature screen
will not appear.
(2 is input to A.)
2
The graph for "Y1 = 2X
drawn. (Since B and C have
no values, they are ignored.)
At this time, the graph for
Y2 is also drawn. Y2 also uses variable A which is used in Y1.
Therefore, the drawing of the graph for Y2 is also valid.
* If you need to draw only the graph for Y2, it is necessary to
change variables (characters) or make the graph drawing for
Y1 invalid.
(1 is input to B.)
The graph is changed from
2
2
"Y1 = 2X
" to "Y1 = 2X
-
(
3 is input to C.)
Now, the graph for "Y1 = 2X
+
–
1X
3" is drawn on the
screen.
" is
+
1X".
2
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