Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More ...

The PHP & MySQL Blog App with Admin Panel project is a web application that allows users to create and manage blog posts, categories, and users. The app is built using PHP and MySQL, two popular ...

A plain PHP/MySQL complete E-commerce application with an Admin Panel, Login System, Registration, Validation and Authorization. It provides the functionality needed for running an online store, such ...

IISc physicists discovered that Ramanujan’s classic π-formulas arise naturally in modern theories describing critical phenomena and black holes. The connection suggests his early mathematics may have ...

Pi Network has temporarily disabled wallet payment requests after a surge in scam incidents targeting users with large balances. In a Dec. 30 post on X, the Pi Core Team warned users that scammers ...

As of December 27, 2025, Pi Network is trading sideways today, with price holding in a tight range just above the $0.20 level as buying and selling pressure remain balanced. The Price is holding near ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...