Building a web interface similar to wolframalpha



You may check out these Web Applications:

   http://www.vroomlab.com

A quick reference guide is at :

   http://www.vroomlab.com/nhome/qr.jsp

There is also a maxima-based integrator that displays result using LaTex:

http://www.vroomlab.com:8081/xint

Make sure your firewall does not block connections to unstandard port. 

Have fun!