All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn algorithm, named after IBM researcher Hans Peter Luhn, who patented it in ...

When it comes to credit card offerings, it seems like every department store, credit union, or restaurant has a deal.

(Reuters) - Apple Inc co-founder Steve Wozniak joined in the online debate over accusations of gender discrimination by the algorithm behind the iPhone maker's credit card, fuelling scrutiny of the ...