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Excel’s hidden REGEX and SCAN functions do way more than you expect

REGEX is a smarter version of Excel's FIND function, which works well for basic lookups. However, REGEX handles more complex ...

Here’s the Real Reason the Dollar Sign Is an S

However, it wasn’t until July 6, 1785 that the Continental Congress established the dollar as the official currency of the United States: the first step towards creating a national monetary system.