I had a problem with Mathematica.

I got this error message when i set the y-value range of a graph using the `Plot`

command (I will use `f(x)=x^2`

for example):

Contribution:

`Plot(x^2, {x, -100, 100}, {y, 0, 100})`

Production:

```
Plot::nonopt: Options expected (instead of {y,0,100}) beyond position 2 in Plot(x^2,{x,-100,100},{y,0,100}). An option must be a rule or a list of rules.
```

I think it may be because I have an older MacBook Pro. This is due to the fact that I am the only one in class 1) with this problem and 2) who has a Mac. I'll start with the specifications:

**Wolfram Mathematica 12 Student Edition**

**Mathematica version number:** 12.0.0.0

**MacBook Pro (15 inch, mid-2010)**

**Platform:** Mac OS X x86 (64-bit)

There is a slight workaround that allows me to specify the range of y values, but I get the impression that the output might be wrong:

```
Plot(x^2, {x, -1, 1}, PlotRange -> {{-.5, .5}, {0, 1.5}})
```

It's strange, however. The first declaration of the x range option to the Plot command did not seem to change the graph at first. However, when I change `{x,-1,1}`

at `{x,-1000,1000}`

for example, the graph has changed:

```
Plot(x^2, {x, -1000, 1000}, PlotRange -> {{-.5, .5}, {0, 1.5}})
```

*Ope!* I just realized how I can use `PlotRange`

to get a safe exit, I can trust:

`Plot(x^2, {x, -.5, .5}, PlotRange -> {0, 1.5})`

Enter this command with the `PlotRange`

I have no problem with this option, although I still don't know why other end users can just type easily:

`Plot(x^2, {x, -.5, 5}, {y, 0, 1.5})`

```
Plot::nonopt: Options expected (instead of {y,0,1.5}) beyond position 2 in Plot(x^2,{x,-0.5,5},{y,0,1.5}). An option must be a rule or a list of rules.
```

I also tried to join the options with wavy braces:

`Plot(x^2, {{x, -.5, 5}, {y, 0, 1.5}})`

```
Plot::nonopt: Options expected (instead of {y,0,1.5}) beyond position 2 in Plot(x^2,{x,-0.5,5},{y,0,1.5}). An option must be a rule or a list of rules.
```

I am ready to solve this problem – and again – thank you for your time! I hope it's just a quick fix like missing a special character or something …

–*minnesnowta11*