Robots w/Lasers

November 10, 2006

Mathomatic ported to the DS (again)

I made a quick port of Mathomatic to the DS. This is an algebra tool, simplifies, solves equations, et cetera. It’s still not as cool as the dslinux version, since the default libnds console doesn’t have color. But it has the advantage of being easy to start up and use.

Download MathomaticDS (includes sourcecode)

Filed under: Mathomatic,Nintendo DS — davr @ 12:02 pm

5 Comments »

  1. Thanks, I’m gonna try this, even if I prefer ds85 the best!

    Comment by Vanelli — November 14, 2006 @ 6:19 am

  2. Sorry for having to say this, but neither this program seems to have a functional touch screen code. Same problems as stated in DS85_02 entry.

    Comment by Vanelli — November 15, 2006 @ 6:22 pm

  3. Vanelli: Here’s what I tried to email you after your last comment, but hotmail.com claims that you gave me an invalid email. If you want me to be able to contact you, next time put a real email, thanks.


    This is a known problem with reading touchscreens from homebrew, that affects only some DSs. I did not write the touchscreen-reading code, that is part of libnds which I use to make all my apps. Do you have problems with other homebrew apps? For example my draw app?

    Also, do you have a screen protector? That has been known to cause problems also. And finally…try recalibrating your touchscreen from the DS firmware menu.

    Comment by davr — November 15, 2006 @ 6:26 pm

  4. Sorry, e-mail address was fake, so my name (everything comes from a famous singer: “Joe.T Vanelli”)…
    I remind having some problems with DS Organize 2.3′s drawing application, but I thought it was due to its bad flashcard compatibility.
    So I did what you said: I tried your “Draw” app (awesome work, I didn’t find the GUI version, so I download Draw3), and everything worked well (the only problem I found was when drawing a LONG line, sometimes it doesn’t draw 1 or 2 pixels, resulting in a discontinuity of the line itself -but maybe it’s my fault-). OK: it works.
    Then I re-calibrated the touch screen from my firmware menu (I haven’t FlashMe), even if I have no problems at all with games… For this, I think neither my screen protectors are guilty :P
    Last test of course was with Mathomatic, but it worked (or, better, it DIDN’T work) exactly like yesterday.

    I did know the Touch Screen Code wasn’t yours… I didn’t mean to hurt your work!

    Maybe this is of any help: Black Europian DS Lite bought on August 2006, no FlashMe, M3 miniSD (latest version) + Trascend 1GB 80X, PassCard3; .nds or ds.gba make no difference for me (M3 auto converts .nds files in ds.gba).

    p.s. Sorry for any mistake, English is not my first language.

    Comment by Vanelli — November 17, 2006 @ 5:29 pm

  5. I’ll definitely give it a try. I’m very interested in CAS, especially I’m trying to code a calculus solver myself, but I
    guess that I’d very better off playing around with something that’s already done (Maple, etc)

    Comment by Math Freak — August 6, 2007 @ 2:51 am

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