[Haskell-cafe] Input and output of mathematical expressions
John MacFarlane
fiddlosopher at gmail.com
Thu Jun 9 17:47:12 CEST 2011
There's also http://hackage.haskell.org/package/texmath
which converts LaTeX to MathML, and even handles LaTeX
macros. The problem is that MathML support in browsers
is still spotty.
http://hackage.haskell.org/packages/archive/texmath/0.5.0.1/doc/html/Text-TeXMath-Types.html
contains types for representing formulas in Haskell.
John
+++ Daniel Patterson [Jun 09 11 11:04 ]:
> (I originally sent this reply from the wrong address, see below)
>
> On Jun 9, 2011, at 11:03 AM, Daniel Patterson wrote:
>
> Also if you are doing this for web, I haven't used it personally (yet),
> but [1]http://www.mathjax.org/ looks really good... would allow you to
> actually just write it in LaTeX (as writing MathML by hand is not
> something I'd like to subject anyone to).
> On Jun 9, 2011, at 10:59 AM, Chris Smith wrote:
>
> Ae you looking to do this in a web application, or client-side?
> Since one of your requirements is to display a typeset equation,
> that makes a bit of difference. In a web-based setting, the best
> way to do that is probably MathML, whereas a GUI will be a bit
> harder.
>
> On Jun 9, 2011 8:24 AM, "Jacek Generowicz"
> <[2]jacek.generowicz at cern.ch> wrote:
> > Greetings Cafe,
> >
> > What would you recommend as a Haskell-based means of interactively
> > reading and writing mathematical formulae?
> >
> > As a toy example, what might I use to write a program which presents
> > the user with
> >
> > Please simplify the expression: \pi x^2 + 3\pi x^2
> >
> > (Where the TeX-style expression would be presented with a greek pi
> and
> > superscript twos on the xs.)
> >
> > The user should then have the ability to reply with something that
> > looks like the result of TeXing
> >
> > 5 \pi x^2
> >
> > Whatever means the user uses to enter this expression, he should be
> > able to preview the "typeset" version of his input before submitting.
> >
> > Any ideas?
> >
> > Thanks.
> >
> >
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> References
>
> 1. http://www.mathjax.org/
> 2. mailto:jacek.generowicz at cern.ch
> 3. mailto:Haskell-Cafe at haskell.org
> 4. http://www.haskell.org/mailman/listinfo/haskell-cafe
> 5. mailto:Haskell-Cafe at haskell.org
> 6. http://www.haskell.org/mailman/listinfo/haskell-cafe
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