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-Te... 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@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@cern.ch 3. mailto:Haskell-Cafe@haskell.org 4. http://www.haskell.org/mailman/listinfo/haskell-cafe 5. mailto:Haskell-Cafe@haskell.org 6. http://www.haskell.org/mailman/listinfo/haskell-cafe
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