# LaTeX sandbox is too short

#### EM Fields

Joined Jun 8, 2016
583
$$f=\frac{1}{T}$$

Last edited:

#### djsfantasi

Joined Apr 11, 2010
8,574
$$f=\frac{1}{T}$$

#### djsfantasi

Joined Apr 11, 2010
8,574
Ok, I entered the same text, and it worked for me

#### EM Fields

Joined Jun 8, 2016
583
$$f=\frac{1}{T}$$
I'm confused...
The compiled (?) formula shows up in your reply but not in my post. A clue, please?

#### djsfantasi

Joined Apr 11, 2010
8,574
I'm confused...
The compiled (?) formula shows up in your reply but not in my post. A clue, please?
I have no clue. Have you tried re-typing it? Or try in another browser?

Tex always has worked for me, so I tried in your thread to eliminate any site changes as the cause.

#### ErnieM

Joined Apr 24, 2011
8,334
$$f=\frac{1}{T}$$

Just copied and pasted.

#### djsfantasi

Joined Apr 11, 2010
8,574
Good. I suspect there was a non-printable character embedded in your original post, that was not copied during the copy and paste operation.

#### EM Fields

Joined Jun 8, 2016
583
I have no clue. Have you tried re-typing it? Or try in another browser?

Tex always has worked for me, so I tried in your thread to eliminate any site changes as the cause.
Found it!
I had cut and pasted an example into my original post which delimited the TEX argument with "plain" and "/plain", ostensibly to show the raw Tex format in the article I got the sample from without compiling the argument.
Anyway, I just now edited out the "plain" and the "/plain", and everything works.
Thanks for the help.

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#### bertus

Joined Apr 5, 2008
22,095
Hello,

The plain tag is for showing how the text is made by not parsing the text.

Bertus

#### EM Fields

Joined Jun 8, 2016
583
Hello,

The plain tag is for showing how the text is made by not parsing the text.

Bertus
Yes; thank you.