WolframAlpha

Ask a question and WolframAlpha will respond. Here is an introduction to WolframAlpha.

Making the world's knowledge computable

Today's Wolfram|Alpha is the first step in an ambitious, long-term project to make all systematic knowledge immediately computable by anyone. You enter your question or calculation, and Wolfram|Alpha uses its built-in algorithms and growing collection of data to compute the answer.

This resource could be very useful to our work in translation. For a more thorough, skeptic view, see here. OTOH, Lifehacker's Gina Trapani is more enthusiastic.