Many everyday items have hidden functions that most people don’t know about. Discovering these clever uses can simplify tasks, save time, and improve efficiency at home or work. Even simple objects ...

Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...

Math isn’t just about answers—the process matters, too. These strategies spotlight reasoning and reveal student thinking.

In theory, quantum physics can bypass the hard mathematical problems at the root of modern encryption. A new proof shows how.

Five years ago, as his time as Louisiana’s superintendent of education was coming to an end, John White granted The 74 an ...

Amid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of ...

Let’s cut to the chase: the only reason why people read financial publication articles is to look for an edge in the market. But with the latest developments in artificial intelligence able to ...

This article Boost your mental math speed and accuracy with these effective abacus tricks. This practical guide explains fundamental techniques like direct addition and subtraction using complements ...

Suzanne Blake is a Newsweek reporter based in New York. Her focus is reporting on consumer and social trends, spanning from retail to restaurants and beyond. She is a graduate of UNC Chapel Hill and ...

Sine, cosine and tangent functions are periodic functions, meaning they repeat themselves at regular intervals. This interval of repetition is known as the period of the function, and this periodicity ...