Testing: [; \frac{L}{L\odot} = \left ( \frac{M}{M\odot} \right ) ^a ;]
.
Strange... When I use "[ MATH ] [ / MATH ]" appears to me this message: "[LaTeX Error: Can't write to directory]". But when I use "[ ; ; ]" appears the formula...

Testing: [; \frac{L}{L\odot} = \left ( \frac{M}{M\odot} \right ) ^a ;]
.
Strange... When I use "[ MATH ] [ / MATH ]" appears to me this message: "[LaTeX Error: Can't write to directory]". But when I use "[ ; ; ]" appears the formula...

Welcome to the forum Luccas!
We're sorry but Latex is down for now. Hopefully it will be fixed soon. The correct way to use it is with the "[ MATH ] [ / MATH ]" tags.
Using the tags "[ ; ; ]" is the same as not using any tag. The formula isn't displayed as an image, as it would be in the case with Latex's use.

Welcome to the forum Luccas!
We're sorry but Latex is down for now. Hopefully it will be fixed soon. The correct way to use it is with the "[ MATH ] [ / MATH ]" tags.
Using the tags "[ ; ; ]" is the same as not using any tag. The formula isn't displayed as an image, as it would be in the case with Latex's use.