how is google Calculator implemented ?

Posted by AlgoMan on Stack Overflow See other posts from Stack Overflow or by AlgoMan
Published on 2010-03-28T17:36:32Z Indexed on 2010/03/28 17:43 UTC
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Filed under:

algorithm

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string-manipulation

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pattern-matching

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data-structures

When you search in Google "100F to C" how does it know to convert from Fahrenheit to Celsius. Similarly, conversion from different currencies and simple calculation. What is the data structure used. Or is it simple pattern matching the strings ?

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