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LaTex Help Help with LaTex and writing math equations


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May 9th, 2014, 12:30 AM   #1
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Writing algebraic expression

Hello, how do I write algebraic fractions using symbols?

I HAVE BEEN TRYING TO POST A THREAD BUT THERE HAVE BEEN NO BREAK THROUGH:
Simplify
/frac{m+n}{2}-frac{m-n}{3} + 3(m-1)

The expression should read m+n over 2 minus m-n over 3 plus 3(m-1)
I need help please.
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May 9th, 2014, 12:42 AM   #2
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Code:
[MATH*]\frac{m+n}{2}-\frac{m-n}{3} + 3(m-1)[/MATH*]
Remove the stars and it appears like this:

$\displaystyle \frac{m+n}{2}-\frac{m-n}{3} + 3(m-1)$
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May 9th, 2014, 03:47 PM   #3
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In general \ is used to indicate what follows is a special symbol of some sort.
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June 16th, 2015, 03:33 PM   #4
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Quote:
Originally Posted by fysmat View Post
Code:
[MATH*]\frac{m+n}{2}-\frac{m-n}{3} + 3(m-1)[/MATH*]
Remove the stars and it appears like this:

$\displaystyle \frac{m+n}{2}-\frac{m-n}{3} + 3(m-1)$
Thank you my friend
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July 20th, 2015, 06:33 PM   #5
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I right-clicked and copied and pasted formula code in this post and this is what I got:

\displaystyle \frac{m+n}{2}-\frac{m-n}{3} + 3(m-1)

Is there a latex tutorial somewhere?

Thanks
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July 20th, 2015, 07:40 PM   #6
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Quote:
Originally Posted by zylo View Post
I right-clicked and copied and pasted formula code in this post and this is what I got:

\displaystyle \frac{m+n}{2}-\frac{m-n}{3} + 3(m-1)

Is there a latex tutorial somewhere?

Thanks
Never mind. I found some utube tutorials.

But that raises another question. Can I create a LATEX document elsewhere and then post it?
Thanks
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August 6th, 2015, 10:09 AM   #7
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Quote:
Originally Posted by zylo View Post
Never mind. I found some utube tutorials.

But that raises another question. Can I create a LATEX document elsewhere and then post it?
Thanks
You really don't need to do this, the forum supports some $\LaTeX$. You need to put the code you want to be rendered by latex within double \$, or just wrap it and press the $\Sigma$ symbol on the menu above (the menu wont' appear complete below on "quick reply" box, you need to click "post reply" button).

Start latex here: https://en.wikibooks.org/wiki/LaTeX

You find anything you need for these forums there. For more advanced stuff you can google the stack exchange-like websites.
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