# Thread: Use $$and$$ tags NOT $$and$$ tags for latex.

1. ## Use $$and$$ tags NOT $$and$$ tags for latex.

This is due to some technical issues recently experienced by MHF.

2. Originally Posted by mr fantastic

This is due to some technical issues recently experienced by MHF.
Thanks for taking the initiative to make this thread. I think I will make a forum wide announcement regarding this.

EDIT: Forum-wide announcement has been made.

3. Originally Posted by Chris L T521
Thanks for taking the initiative to make this thread. I think I will make a forum wide announcement regarding this.

EDIT: Forum-wide announcement has been made.
Cooooool!!

-Dan

4. Might also be useful to mention that the  environment doesn't like "returns" or "enters" or "carriage returns" or "line feeds" in its code, unlike regular LaTeX. That's what gives you those annoying <br> symbols in the result. Example:

[TEX]
\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}
[/TEX]

yields

$
\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}.
$

But

[TEX]\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}[/TEX] yields

$\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}.$

5. Originally Posted by Ackbeet
Might also be useful to mention that the  environment doesn't like "returns" or "enters" or "carriage returns" or "line feeds" in its code, unlike regular LaTeX. That's what gives you those annoying <br> symbols in the result. Example:

[TEX]
\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}
[/TEX]

yields

$
\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}.
$

But

[TEX]\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}[/TEX] yields

$\int_{-\infty}^{\infty}e^{-x^{2}}\,dx=\sqrt{\pi}.$
I just noticed that in one of the posts made here: http://www.mathhelpforum.com/math-he...ms-180257.html

It may have to do with the way it is interpreted by the site that I'm using to power the $$brackets...I'll look into this soon. 6. ## Re: Use [tex] and$$ tags NOT $$and$$ tags for latex.

$Let (X; dX) and (Y; dY ) be two\ metric\ spaces\ and\ f : X \rightarrow Y be\ a\ mapping. Then\ f \is\ continuous\ at\ a \epsilon\ X if\ and\ only\ if\ for\ every\ neighborhood\ V\ of\ f(a)\ there\ exists\ neighborhood\ U\ of\ a\ such\ that\ f(U)\subset  V\\ Prove\ this\ theorem$

Any attempts will be thanked.

how on earth do i make the maths notated part font larger? thnx.

7. ## Re: Use $$and$$ tags NOT $$and$$ tags for latex.

Originally Posted by maxgunn555
how on earth do i make the maths notated part font larger? thnx.
What do you mean by "larger"?
Is this not large enough $\sum\limits_{k = 1}^{10} {x^k }~?$

8. ## Re: Use $$and$$ tags NOT $$and$$ tags for latex.

Originally Posted by maxgunn555
$Let (X; dX) and (Y; dY ) be two\ metric\ spaces\ and\ f : X \rightarrow Y be\ a\ mapping. Then\ f \is\ continuous\ at\ a \epsilon\ X if\ and\ only\ if\ for\ every\ neighborhood\ V\ of\ f(a)\ there\ exists\ neighborhood\ U\ of\ a\ such\ that\ f(U)\subset V\\ Prove\ this\ theorem$

Any attempts will be thanked.

how on earth do i make the maths notated part font larger? thnx.
Only put your equations in tex tags, not plain text.

sorry but I can't see the difference in your title. Should it be $and$ NOT $$and [\tex]? 10. ## Re: Use [tex] and$$ tags NOT $$and$$ tags for latex.

Originally Posted by billm
sorry but I can't see the difference in your title. Should it be $and$ NOT $$and [\tex]? Yeah I'm a little confused as well. 11. ## Re: Use [tex] and$$ tags NOT $$and$$ tags for latex.

I don't understand the what the head is saying?

12. ## Re: Use $$and$$ tags NOT $$and$$ tags for latex.

it was a typo in the title of the original post ... let it die, folks.

13. ## Re: Use $$and$$ tags NOT $$and$$ tags for latex.

$3x^2+4ix+5<0$ , $i^2=-1$.

14. ## Re: Use $$and$$ tags NOT $$and$$ tags for latex.

Originally Posted by Dacu
$3x^2+4ix+5<0$ , $i^2=-1$.
Another way:
$$3x^2 + 4ix + 5 < 0,~i^2 = -1$$

$3x^2 + 4ix + 5 < 0,~i^2 = -1$

-Dan

15. ## Re: Use $$and$$ tags NOT $$and$$ tags for latex.

Just a reminder for those who already have MathType -- you can use it here on MHF, and it formats the math properly. We have instructions on our website describing how to do that.

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