Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

The Powerball jackpot is an estimated $384 million with a cash option of $173.1 million for the Wednesday, July 30, 2025 drawing. Matching the Powerball alone wins $4, and the drawing takes place at ...

The Mega Millions jackpot is an estimated $198 million with a cash option of $89.3 million for the Friday, August 15, 2025 drawing. No one won the Tuesday, August 12 drawing, leading to the jackpot ...

Abstract: Permutation entropy (PE) is a widely used metric for quantifying the complexity of time series data. Recent efforts have extended PE to graph signals, resulting in the graph permutation ...