Figure 6.8 Enter an Equation (800x500)

Version 1

I an orienting the axes so the y-axis is vertical and the z-axis is hidden, like as shown in the figures in the text. Using the input box on the side, the graphics window is much wider than needed.

Version 2

Input box on the bottom of the window.

Version 3

What if you just used the INPUT BAR and gave explicit instructions to enter your function starting with f(x) = Well...it appears the input bar does not show up in the 3D window.