If you had walked onto a trading floor thirty years ago, you would have heard noise before you saw anything. Phones ringing, ...

Sudoku games have evolved a lot since they first appeared in newspapers. Now, puzzle apps use artificial intelligence to ...

Quadratic regression is a classical machine learning technique to predict a single numeric value. Quadratic regression is an extension of basic linear regression. Quadratic regression can deal with ...

Every business has operating expenses — that is, the costs of running the business. These expenses can generally be classified in two ways: Fixed expenses and variable expenses. Understanding the ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

A superiority complex is a belief that your abilities or accomplishments are somehow dramatically better than other people’s. People with a superiority complex may be condescending, smug, or mean to ...

Complex networks are networks that feature patterns of connection between their elements that are neither purely regular nor purely random. Most real-world networks, such as transportation, social or ...

A martyr complex is a recognized psychological pattern. It’s marked by self-sacrifice and service to others at your own expense. Identifying martyr traits and tendencies can prevent burnout and stress ...

Sneaker Shopping Tag along with Complex’s Joe La Puma as he takes your favorite artists and athletes to the best sneaker stores around the globe on “Sneaker Shopping”. Fast-paced and witty interviews ...

Imagine stepping into an original D&D setting that’s been lovingly written and DM’d by Tim Burton or Shel Silverstein. Instead of elves and dwarves, you have a giant card shop that’s also a person, a ...

Complex Closets Go inside the most exclusive sneaker collections in the world on "Complex Closets," with host Joe La Puma. Superstars like Nick Cannon, DJ Khaled, and Lil Yachty take viewers on a tour ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...