I am trying to label a plot with an equation. The problem is that Mathematica formats things *almost* well but not exactly. The parenthesis are of the wrong size, and the powers are not high enough.

For example:

```
testplot = RegionPlot[x^2 + y^3 < 2, {x, -2, 2}, {y, -2, 2}];
Overlay[{testplot, 
        Text[(10^-3/\[Beta])^2  (("1")/g') < 2, BaseStyle -> {FontSize -> 18}]}, 
        Alignment -> {0.9, 0.85}
       ]

```

I need the equation to look like it would on Latex, but here is what I get instead:
![Mathematica evaluates the expression instead](https://i.stack.imgur.com/Z9mBL.gif)

I tried putting the equation between "" but the parenthesis would be the wrong size and the powers are off. Just like this:

![Formatting the equation as text](https://i.stack.imgur.com/ND436.png)

Any suggestions?
Thanks!
L.