Apple’s Siri voice technology accounts for about one-fourth of the queries fueled by the Wolfram Alpha search engine (, according to “The New York Times” (

According to Apple, Siri isn’t like traditional voice recognition software that requires you to remember keywords and speak specific commands. Siri understands your natural speech, and it asks you questions if it needs more information to complete a task.

Wolfram Alpha is an engine for computing answers and getting knowledge. It works by using Wolfram Research’s store of expert-
level knowledge to compute answers to questions you ask.

The new version of Wolfram Alpha arrives tomorrow. Its formal name is Wolfram Alpha Pro, notes “The Times.”