If you’re getting Error: Dimension, the variable you are using, e.g. This is one of those codes that may have several causes. Also, if you’re on the home screen, make sure you’re using output function notation. This is usually caused by not stating the correct number (from the Y=editor) for the function.
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Those indicate which functions should be graphed. In the Y=editor, look for check marks to the left. If your problem is not being able to graph correctly (or at all), this is usually due to a setting in the Y=editor.
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