I am trying to create a vertical line in my calculator, but it needs to be restricted to a certain height. I have an equation with a very high slope and I need to restrict its domain to hundredths. I already know how to restrict its domain using logical operators, but the line simply disappears if I lower the domain to a very small amount with the domain still covering the line.

I believe my problem is that the X-step of the calculator, the amount of space it has between points, is too low. IIRC the default value is $0.1$, I need to reduce it to $0.001$. I know I've seen this setting before but I can't find it anywhere on the calculator or online.


Press "Window". It is not X-Step, it is Xscl

  • $\begingroup$ No, it's not. All that does is change the amount of points on my axis. It doesn't change how the graph is rendered. $\endgroup$ – Aaron Franke May 16 '17 at 18:24
  • $\begingroup$ Aaron, respect my attempt. I gave five minutes of my valuable time looking for the answer to this unclear question. P.S. by unclear, I mean what do you want to find? A way around the points dilemma, or finding the X-Step? $\endgroup$ – VortexYT May 16 '17 at 18:29
  • $\begingroup$ Whichever method works, what matters is that I need to draw shapes and lines using only the Y= menu for a school project. $\endgroup$ – Aaron Franke May 16 '17 at 18:35
  • $\begingroup$ My formula that I've come up with so far is -2(x+7)^2+e^(10x+20)+9/((x<-5 and x>-9) or (x>-1.8 and x<0)) but if I try to restrict the right domain to get a vertical line that doesn't span the screen, it disappears! $\endgroup$ – Aaron Franke May 16 '17 at 18:44

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