Tools like Excel and Google Sheets are ubiquitous these days, and learning how to use them more effectively will quickly ...

For many, it's been years since they've sat in a classroom while a teacher tested their arithmetic skills. Internet users are now racking their brains to remember how to solve elementary school ...

Learn how DROP, REDUCE, LAMBDA, and STACK make Excel arrays update automatically, split text, and stack filtered results ...

Approximate solutions to more complex equations can be found using a process called iteration. Iteration means repeatedly carrying out a process. To solve an equation using iteration, start with an ...

The mystery of the Moai stone heads has eluded onlookers for centuries — and now, researchers say they finally know how they got there. The statues, which were carved and placed on the South Pacific's ...

This feature works best when the columns you want to visualize are adjacent to each other, so you may need to rearrange your ...

Chart patterns are an integral aspect of technical analysis, but they require some getting used to before they can be used effectively. To help you get to grips with them, here are 10 chart patterns ...

Abstract: This paper uses a proportional-integral (PI) controller to achieve the exponential synchronization of chaotic Lur’e systems under aperiodic sampled-data control. First of all, in order to ...

Abstract: Stock prediction is a challenging task unless it is studied. The researchers found multiple tools to forecast the trends of the stocks. The accurate trend-following model helps the investors ...

Magnitude scales can be used to describe earthquakes so small that they are expressed in negative numbers. The scale also has no upper limit. Learn more about how we measure earthquake magnitude.