Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

Skylar Clarine is a fact-checker and expert in personal finance with a range of experience including veterinary technology and film studies. Calculate stock gains/losses by subtracting the cost basis ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

Brooks and Atkins Stohr on Trump's return and its impact on the country New York Times columnist David Brooks and Kimberly Atkins Stohr of the Boston Globe join William Brangham to discuss the year in ...

OK, OK - Maths may not sound like the most Christmassy of subjects. But a bit of adding up and multiplying can actually make one of the traditions of the festive season feel a little less stressful, ...

test and verify the Reed-Solomon codec. Each of these steps is important, and missing one results in developing hardware that does not work the first time and must be re-created. For example, it is ...

WSJ Puzzles is the online home for America’s most elegant, adventurous and addictive crosswords and other word games.Read more about our puzzles. To reach us, email [email protected]. Tips for Playing ...