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Mathematics 17 Online
OpenStudy (mathteacher1729):

If anyone wants to learn how to use LaTeX to typeset your own documents, check out the youtube playlist I created: http://www.youtube.com/user/mathteacher1729#grid/user/DD406480D35CE390 Any and all suggestions welcomed! (about this playlist or suggestions for future playlists or vids)

OpenStudy (zarkon):

I like to use the 'enumerate' environment when making exams/quizzes. That might be a useful video.

OpenStudy (mathteacher1729):

Thanks! I have a vid about using the enumerate environment in that playlist (number 3): http://youtu.be/mn9FfoYWz5k

OpenStudy (asnaseer):

that's going to be a great help to me - thanks for putting up this free resource!

OpenStudy (zarkon):

It would have been nice to have resources like this when I was learning \(\LaTeX\)

OpenStudy (asnaseer):

@Zarkon - it's never too late to learn something new - you never know there could be a hidden gem in these videos that you never knew about :-)

OpenStudy (zarkon):

I guess that is possible...though I have written some extensive \(\LaTeX\) documents.

OpenStudy (zarkon):

I use latex for all my word processing needs...I hate MS Word

OpenStudy (asnaseer):

wait - are you telling me that there are actually people out there that LIKE MS Word :-O

OpenStudy (zarkon):

as crazy as it sounds...yes

OpenStudy (jamesj):

Sure, MS Word has its uses, particularly with font control. ...unless someone tells me now that you do that more easily in LaTex.

OpenStudy (asnaseer):

@JamesJ - once you've mastered \(\LaTeX\) you will never look back...

OpenStudy (jamesj):

I use Latex a lot as well. I'm just saying that unless I'm missing something, it's easier to use different fonts in MS Word.

OpenStudy (zarkon):

I'm sure James is quite good at LaTeX. We each have our preferences. I personally love the look and control I lave in LaTeX

OpenStudy (zarkon):

*Have

OpenStudy (asnaseer):

@JamesJ - yes you are right - I guess it all depends on the job in hand. didn't mean to start some sort of religious war :-(

OpenStudy (zarkon):

I prefer Holy Wars http://www.youtube.com/watch?v=9d4ui9q7eDM

OpenStudy (jamesj):

@asnaneer: not at all. In my book you're one the good guys on here!

OpenStudy (asnaseer):

@Zarkon - LOL! @JamesJ - the only thing I will add is that \(\LaTeX\) produces more beautiful looking documents - they seem to have more aesthetic appeal to me. and thanks for your last comment - much appreciated.

OpenStudy (anonymous):

If you want font control I'd suggest looking into XeTeX... you definitely get a lot more than LaTeX as well as you can input unicode.

OpenStudy (anonymous):

why do you use those packages amsmath, amssymb, graphicx?

OpenStudy (mathteacher1729):

Re: LaTeX v Word I view Word and LaTeX as tools. If I want to create a professional, aesthetically pleasing document, particularly one involving mathematics, references, bibliography, etc. I use LaTeX. If I want to create a flyer for a garage sale or a something that involves messing around with margins, multiple fonts, different colors, etc. I use Word.

OpenStudy (mathteacher1729):

Hi Thomas: amsmath & amssymb = American Mathematical Society mathematical formatting & mathematics symbols respectively. graphicx = lets me include graphics in my document.

OpenStudy (anonymous):

so if I'm not in america I shouldn't use ams packages? :D

OpenStudy (mathteacher1729):

Thomas -- I think it's a universal package. :) Americans wrote it first, so they got to name it. :-p

OpenStudy (asnaseer):

@mathteacher1729 - You may wish to update your videos re use of double dollar. While the double dollar sign (still) works in LaTeX, it is not part of the "official" LaTeX command set (in fact, most books on LaTeX don't even mention it) and its use is discouraged. Use the bracket pair instead.) see here: http://www.math.uiuc.edu/~hildebr/tex/course/intro2.html also, on this site, the single $ for inline math does not seem to work. here we seem to have to use place inline math within a set of escaped round braces (as I was kindly informed by @Tomas). e.g. here some \(x^2=16\) inline math.

OpenStudy (zarkon):

I still use the $ but I'm trying to break that habit.

OpenStudy (mathteacher1729):

I'm with Zarkon - I still use $ and it never gives me trouble. Zero errors, Zero bad boxes upon compilation. :) The output looks identical to \ [ and \ ] but I should make a note about it. Thanks for pointing this out.

OpenStudy (asnaseer):

what about on this site - the single dollar doesn't seem to produce inline math? e.g. some $x^2=16$ math.

OpenStudy (mathteacher1729):

My tutorial was for creating your own PDF documents with LaTeX. For this site use \ ( and \ ) for in-line math and \ [ and \ ] for centered math. (remove spaces between the backslash and parenthesis or brackets. :)

OpenStudy (mathteacher1729):

Also here is the AOPS wiki on LaTeX -- http://www.artofproblemsolving.com/Wiki/index.php/LaTeX:Math This page was last modified on 11 November 2011, at 21:37.

OpenStudy (asnaseer):

ok - thanks for the clarification.

OpenStudy (mathteacher1729):

Another tip -- right click on an existing LaTeX equation in openstudy to view the source. Give it a try! :) \[x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}\] Note, brackets/parenthesis not included in the source code view.

OpenStudy (asnaseer):

yes - I already new about this - I found it by accident a few weeks ago - but thanks in any case.

OpenStudy (mathteacher1729):

Oh my gosh if you right click and then click "Settings" you can set a "zoom trigger" such that when you click (or hover, or double-click) an equation it will make the equation bigger.

OpenStudy (asnaseer):

Wow! Now THAT I was not aware of - thanks.

OpenStudy (anonymous):

$ is probably disabled deliberately so it wouldn't bother users who just want to type dollar sign 2 times, however double dollar sign works as \[

OpenStudy (anonymous):

also why to use that symbol \therefore? why it's three dots? I have never seen it in any math books

OpenStudy (asnaseer):

"therefore" is a very common symbol in mathematics - it is used a lot when proving things.

OpenStudy (anonymous):

The reason why the dollar sign isn't used on this site is so that if people want to type dollar amounts and are not familiar with LaTeX don't have to find themselves with a display error, as the regular text input automatically gets recognized as LaTeX by Mathjax.

OpenStudy (anonymous):

as i said :)

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