CHAMPAIGN, Ill. — Two math-notebook pages recently authenticated as belonging to Abraham Lincoln suggest the 16th president, who was known to downplay his formal education, may have spent more ...

It basically plays like the OG Slenderman game, but with math, which actually is my worst nightmare. You collect seven notebooks, which each contain three math equations you have to solve to open ...

Of Course You Can Use Math to Perfectly Fold a Notebook Page Into a Bookmark. Hey, you never know when it'll come in handy. By Caroline Delbert Published: Feb 10, 2020 5:42 PM EST.