Abstract: Dynamic state estimation of a power system provides essential information about its inherent dynamic change. Nonlinear Kalman filters (NKFs) have been identified as potential versatile tools ...

Draw four lines beginning and ending at the gray points to break this square into pieces that can be rearranged into five identical squares. Show puzzle solution Bonus: Suppose you can use any number ...

Mastering quick square root calculations boosts maths exam performance. Speed and accuracy provide a significant advantage in algebra and geometry. Memorising key square roots and using mental math ...

Violence has become an unwelcome reality in American politics – from this weekend’s murders in Minnesota to the congressional baseball practice shooting to the assassination attempt on Donald Trump.

Square Root Day — an event that occurs only nine times in a century — was celebrated with a variety of math activities this week at the St. Augustine Elementary School gym. Square Root Day is an ...

Today is Cinco de Mayo. And this year, the fifth of May is filled with mathematical joy. It is — Square Root Day! It all started in 1981. "I was writing a check in late August," says Ron Gordon, who ...

If you're old enough, you probably remember getting a line from your math teacher that you need to learn the steps to an equation because "you won't always be carrying a calculator with you." In an AP ...

May is almost here, bringing warmer weather and various holidays, such as Mother's Day, Memorial Day and Cinco de Mayo. While Cinco de Mayo is the most popular reason to celebrate May 5, this year, ...

Tesla is being squeezed out of the Chinese market, and the pressure is currently falling on the sales workers, who are reportedly being pushed to their limits. Over the last few years, Chinese ...

The Math and Stats Club threw a party. You guessed it, they served up plenty of Pi — both the mathematical and the dessert kind. Organized to make math fun, the club hosted its annual Pi Day ...

Congress should be able to increase deficits if it wants to—but it should do so with honest, transparent, and consistent accounting. The congressional majority is seeking to extend expiring portions ...