The following articles have been submitted by G4G participants. Most items were prepared in honor of Martin Gardner. More to come soon from G4G6. Scanner is warming up. Please click on a choice and scroll down to see exchange item. Please wait a few moments for images to download. For solutions or to submit a solution, please e-mail webmaster@g4g4.com. Thank you for your visit. All original works are copyrighted by their authors and/or assignees and have been posted for informational or educational purposes only.
Material compiled by David Singmaster on 