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A comment on What is the business model for DuckDuckGo? (2017). Parent comment

Re:What is the business model for DuckDuckGo? (2017) by reaperducer on Thursday May 28, 2020 @12:13PM (#23338989)
Siri draws answers from Wolfram Alpha, so maybe Spotlight does, as well.
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Re:What is the business model for DuckDuckGo? (2017) by saagarjha on Thursday May 28, 2020 @01:14PM (#23339824)
Spotlight uses a private framework for mathematical expressions called Calculate.framework. (Fun fact: it seems to be based on Bison.)
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