NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

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With more than 50 million redeemed miles under her belt, Becky Pokora is a rewards travel expert. She's been writing about credit cards and reward travel since 2011 with articles on Forbes Advisor, ...

Personal and small business cards issued by U.S. Bank are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review offers from other ...