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via Dean Mantz Wolfram|Alpha is a free online computational knowledge engine that generates answers to questions in real time by doing computations on its own vast internal knowledge base. Our long-term goal is to make all systematic knowledge immediately computable and accessible to everyone. This can be valuable to educators in many ways.

Google, Dictionary.com,Thesaurus.com, Wikipedia, Acronym Finder, NCSU, unitconversion, Bablefish, and Wolfram-Alpha. Click on the MORE link for more options.

Schoolr would like to thank the Reference.com family, Google, Wikipedia, Acrnonym Finder, Urban Dictionary, Altavista Babel Fish, SparkNotes, NCSU, and unitconversion for their great resources.

I tried a simple two digit multiplication problem and it will also display the "how to" for it.