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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