For sale are two vintage Casio electronics items, including the Fx-7200g Graphic Scientific Computer and Sf-3000bk Digital Diary. These items were manufactured in Japan and have been well-preserved over the years. The calculators have been tested and are fully functional, making them great additions to any vintage electronics collection. The Fx-7200g Graphic Scientific Computer is ideal for those in need of a high-quality calculator for complex equations and mathematical functions. Meanwhile, the Sf-3000bk Digital Diary is perfect for keeping track of appointments, to-do lists, and other important information. Both items are in excellent condition and come with their original packaging and manuals.