President Donald Trump displays a signed executive order imposing tariffs on imported goods from across the world during a press conference at the White House's Rose Garden on Wednesday. The formula ...

The White House’s new tariffs were pegged to amounts it said other countries impose on the U.S. In many cases, those amounts appear to match a basic formula: the size of a country's goods-trade ...

The formula underpinning President Donald Trump’s new wave of “Liberation Day” tariffs triggered widespread bafflement Thursday, with one CNBC commentator saying it looks like it’s based “on made-up ...

Scientific American presentsMath Dudeby Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. In the last Math Dude episode, we learned the ins and outs of ...