Before using any .github.io educational site, verify its content and safety, as GitHub Pages can host both high-quality projects and outdated or unofficial copies. When in doubt, look for the author's name, license information, and a link to the source repository. Last reviewed: April 2026
It seems you're referring to a URL or project name: (note the likely correction from "oi" to "io", as GitHub Pages typically use the .io domain). mathsframe.github.oi