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Chapter 4: Graphing Features
From the GRAPH
window
Note:
07 Draw
Note:
08 Shade(
102
N_line(
Example
• Draw a normal line by manually specifying the point.
1. Select N_Line(.
2. Use ; ' to move the flashing cursor on the
targeted graph line.
Use { } to select a graph to draw the
orthogonal line.
3. When the point is set at the point, press E.
• It is also possible to input the x-value and press
E.
The equation of the line is displayed temporally. (The
equation may include a margin of error.)
Draw equation
Draws an additional graph based on a given expression.
Example
• Draw the graph of y = 3x
1. Select Draw.
2
–
+
2. Enter "3x
4x
2"
on the line.
3. Press E.
This tool can be used with rectangular coordinate
graphs only.
Shade(equation1, equation2 [, lower value, upper
value])
Draws two graphs, and shades the area between the
two. If the x range is specified, it shades the area within
the specified range.
Example
• Shade the area
1
enclosed by y =
4
2
x
– 8 and y = x.
1. Select Shade(.
1
2
–
2. Enter "
x
8, x)" on the line.
4
3. Press E.
2
-4x+2 .
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