A calculator that has a build in chess board : r/INEEEEDIT
Ismenio's chess computer collection
Saitek Calculator Chess is a calculator with an electronic chess computer hidden inside Full video: https://youtu.be/kHZHOptIFVk | By Daily Rad | Facebook
Amazon.com: Saitek Mephisto Chess Challenger Computer : Toys & Games
https://mstdn.social/@zxclaire's tweet - "I quite like calculators I'm not sure why, I also like chess computers. Saitek managed to cross the two with a Calculator Chess! Only issue is nowhere to store