You have that slide rule in the back of the closet. Maybe it was from your college days. Maybe it was your Dad’s. Honestly.

Car dealers rely on a simple worksheet called the "four square" to turn a straightforward purchase into a maze of numbers ...

Xeriant (OTCQB:XERI) is sharpening its identity as a next-generation technology accelerator with the appointment of Brig. Gen. (Ret.) Blaine D. Holt as president of its newly defined Factor X Research ...

All week, we've been helping readers with their consumer issues and personal finance disputes. Today we help Dannika Stewart, who got in touch after having an awful holiday experience. We put our ...

This tiny plant performs real arithmetic in the dark. Here’s how it uses its calculations not only to survive, but to time ...

The focus is on the query: what multiplies to 10 and adds to 7.

The first step is to calculate the derivative of the function, often denoted as f' (x). The derivative represents the rate of ...