| To make a cobweb diagram begin by pressing MODE to get to the MODE menu shown at the right. |
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The Graph option should be set to SEQUENCE . If the
Graph option is set differently use the cursor pad to arrow right
to see the submenu shown at the right.
Now use the cursor pad to select the SEQUENCE option. Then press ENTER to set this option. Then press ENTER again to save the new option. Note: You must set the graphing mode to SEQUENCE as described above before setting the Y= screen and the window settings as described below. |
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Next enter the sequence that you want to investigate in the usual way as shown
in the home screen at the right and the Y= screen below that.
For more information on setting the Y= screen see Graphing Sequences. |
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| While you're in the Y= screen press F7 to get to the Axes menu shown at the right. |
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Use the cursor pad to arrow right and then to highlight
the WEB option as shown at the right.
Next press ENTER to set this option.
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| Now that the TI-92 is in WEB mode you are presented with another choice -- notice that the Build Web option is now available. Use the cursor pad to select either AUTO or TRACE and then press ENTER twice. The effect of these two options will be described below. |
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Next set the WINDOW screen as illustrated at the right.
For more information on setting the WINDOW screen see Graphing Sequences. |
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| Finally press green-diamond GRAPH to see a cobweb diagram like the one shown below. If you chose AUTO as your Build Web option then you will see a screen like the one at the right all at once. |
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| If you chose TRACE as your Build Web option then the TI-92 will not draw the web immediately. Instead you will see a screen like the one at the right. |
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| Press F3 to start Trace mode. You should see a screen like the one at the right. |
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| Now each time you press the right arrow portion of the cursor pad the TI-92 will draw one segment of the web. The screen at the right shows the first few segments. |
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