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1. After graphing the function, press 2 (Zoom).
2(Zoom)
2. Press 1 (BOX), and then use the cursor keys (d, e , f, c) to move the
pointer to the location of one of the corners of the box you want to draw on the
screen. Press w to specify the location of the corner.
1(BOX)
d ~ dw
3. Use the cursor keys to move the pointer to the location of the corner that is
diagonally across from the first corner.
f ~ f d ~ d
4. Press w to specify the location of the second corner. When you do, the part of
the graph inside the box is immediately enlarged so it fills the entire screen.
w
• To return to the original graph, press 2 (Zoom) 6 (g) 1 (ORIG).
• Nothing happens if you try to locate the second corner at the same location or
directly above the first corner.
• You can use box zoom for any type of graph.
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8 - 6 Other Graphing Functions
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