Graphing Calculator 3D Contours

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This page explains how to plot a 3D contour in Graphing Calculator 3D.

Steps:

1. Plot your equation in 3D.
2. From "Draw" combo-box select "Contour".
3. [Optional] Click on the color box to select a color for your contour.
4. [Optional] Click on the button with 3-lines icon. This will pop up a dialog box that allows you to specify the exact z-levels of contour lines.
5. [Optional] Drag the Thickness slider to increase or decrease the thickness of contour lines.