TI-92 Help -- Graphing z = f(x, y)

Before graphing a function of the form z = f(x, y) you must select the 3D graphics mode from the MODE screen as shownat the right. First press the MODE key, then select the 3D option under the GRAPH submenu, and then press ENTER twice. Missing TI-92 screen

Next define the function that you want to graph in the Y= screen as shown at the right.

Next use the WINDOW screen to choose the range for each of the three variables as shown in the screen at the right.

Finally draw the graph by pressing green-diamond GRAPH as shown in the screen at the right. Missing TI-92 screen

Before graphing a function of the form z = f(x, y) you must select the 3D graphics mode from the MODE screen as shownat the right. First press the MODE key, then select the 3D option under the GRAPH submenu, and then press ENTER twice.
Next define the function that you want to graph in the Y= screen as shown at the right.
Next use the WINDOW screen to choose the range for each of the three variables as shown in the screen at the right.
Finally draw the graph by pressing green-diamond GRAPH as shown in the screen at the right.