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How To Enter Equations Quickly In Class?

AdmiralXyz writes "I'm a university student, and I like to take notes on my (non-tablet) computer whenever possible, so it's easier to sort, categorize, and search through them later. Trouble is, I'm going into higher and higher math classes, and typing "f_X(x) = integral(-infinity, infinity, f(x,y) dy)" just isn't cutting it anymore: I need a way to get real-looking equations into my notes. I'm not particular about the details, the only requirement is that I need to keep up with the lecture, so it has to be fast, fast, fast. Straight LaTeX is way too slow, and Microsoft's Equation Editor isn't even worth mentioning. The platform is not a concern (I'm on a MacBook Pro and can run either Windows or Ubuntu in a virtual box if need be), but the less of a hit to battery life, the better. I've looked at several dedicated equation editing programs, but none of them, or their reviews, make any mention of speed. I've even thought about investing in a low-end Wacom tablet (does anyone know if there are ultra-cheap graphics tablets designed for non-artists?), but I figured I'd see if anyone at Slashdot has a better solution."

12 of 823 comments (clear)

  1. pencil/paper by jschen · · Score: 5, Informative

    Pencil/paper and digitizing later should be fine.

    1. Re:pencil/paper by arthurpaliden · · Score: 5, Insightful

      Pencil/paper and transcription. That way the knowlage is refreshed after the lecture and you hve a better chance of correcting what you took down if it was initially taken down in error because the content is fresh in your mind.

    2. Re:pencil/paper by zolltron · · Score: 5, Insightful

      Absolutely! I have students that take notes on computer, and I think it's a terrible idea. First there is the problem of equations. In the class I teach we introduce a lot of symbols, so even if you have a fast system you would have to find the symbols in a big list. By the time you do, you're probably behind.

      Second, note taking is a tool which helps you learn the material better. Transcribing the notes later helps significantly more, because now you get to revisit the material with fresh eyes. Something that may have seemed obvious initially may seem less so when you transcribe them. Now you can go to the next lecture an ask questions from the previous class. (As a professor, I'm *very* impressed when students do this, because it proves to me that they did something other than drink beer between the end of the last class and the beginning of the next.)

      Finally taking notes on a computer provides you with many distractions. I know lots of students who claim "I don't get distracted from using a computer", but then my grader or another student informs me the were surfing the web, reading email, IMing, etc. Save yourself from having to avoid these and just use paper.

  2. paint by Anonymous Coward · · Score: 5, Funny

    microsoft paint

  3. TeX to the rescue by Florian+Weimer · · Score: 5, Funny

    f_X(x) = integral(-infinity, infinity, f(x,y) dy)

    Just type $$f_X(x) = \int_\infty^\infty f(x,y) dy$$ instead.

  4. Re:LyX by gardyloo · · Score: 5, Informative

    http://en.wikipedia.org/wiki/Learning_curve#Common_terms

          You'd think that people would learn that language isn't always sensical, and that terms may have multiple --- even mutually contradictory --- meanings. Hope that's not too inflammatory a hope.

  5. Re:LyX by Anonymous Coward · · Score: 5, Funny

    Claim you have a disability and get the university to pay someone to write all of your notes.

  6. Re:Old school by megamerican · · Score: 5, Funny

    aren't math people supposed to use pencil?

    Only if you're one of those people who make mistakes. Obviously no one on /. would fit in this category.

    --
    If you have something that you dont want anyone to know, maybe you shouldnt be doing it in the first place -Eric Schmidt
  7. Re:LyX by friedo · · Score: 5, Funny

    It took me lightyears to explain that to someone.

  8. Re:LyX by Anonymous Coward · · Score: 5, Interesting

    I have used LyX in advanced mathematical courses such as quantum mechanics and relativistic electrodynamics. With the help of the copy-paste function I found that I could type the equations faster into my laptop than my classmates could write them onto paper and so had a little more time to think about them and ask questions.

    LyX is very easy to learn for note taking as you type stuff like:
    CNTL-M \int_{-\infty}^{\infty} \alpha(x) dx
    and get instant pretty graphical equations.

    If you need to draw pictures, however, you will need a tablet or pen and paper.

    Hope this helps...

  9. Re:What's old is new by 0100010001010011 · · Score: 5, Insightful

    you'll have recreated the fabulous 2-buck pen-and-paper experience. Go you!

    The question I don't understand is WHY. The quoted statement outline the end result pretty clearly. I understand slashdot loves to use fancy technology to solve simple problems, but sometimes simpler is better. I already have a HUGE set of properly formatted equations all nicely written out, it's called the Book.

    Note taking, for me, was to summarize what the teacher said, in MY words so that I could understand it later. I just learn by writing it down, there were some classes that I never kept the notes. I'd grab what ever scratch paper was by the printers, write on it, and toss it after class. (Statics. F=0, how hard is it?). I still have quite a few of both textbooks AND notes for a class. I have the hard equations and then I have how I learned it. Heaven forbid ever become an engineer, where the teacher is drawing simply supported beams on the board, the teacher is drawing feedback control systems.

    Anything worth writing is worth writing once. If someone already wrote it in the text book. Then that is good enough for me. In some classes we'd photocopy the problems out of the book, cut them out and paste them on the homework. It was better looking than my drawing and clearer than my handwriting... and I can guarantee I never made any transcribing errors.

    Instantly digitized notes seem like they'd be great for classes where the content will never exist again outside of that class. Philosophy debates, taking notes as a reporter, etc. You're going to spend more of your time trying to figure out how to make that '2' go subscript of that '4' in the numerator with the summation block than you will learning the content. Put down the computer. Grab a good mechanical pencil and a $.50 notebook from walmart and quit worrying about it.

    If you HAVE to have a digital copy. Take notes on something that can easily be separated into individual sheets (3 ring binder and 8x11s with 3 holes). When the semester is over take it to any decent multifunction machine, put it in the top and let it scan everything for you.