The use of the letter x as a mathematical unknown is a relatively modern convention. Algebra has been around for a lot longer. Daryl Benson/Stockbyte via Getty Images You might be most familiar with x ...

The letter X can be a lot of things: rebellious, mysterious, religious. For this Word of the Week, we examine its origins and many uses.

Mastering mathematical symbols is essential for success in various fields, from science to technology. The article breaks down fundamental symbols like arithmetic operations, comparisons, variables, ...