Casio Computer Co., Ltd. Model CASIO-MINI Released August 3, 1972 The world's first portable calculator was released. Personal electronic calculator, price at the time: 1,200 yen Uses 4 AA batteries There is some wear and tear, and dirt. All photos are of the current condition, so please check carefully before bidding. [Notes] Please understand that there may be oversights due to a non-professional inspection. This is amateur packaging. Boxes, cardboard, and cushioning materials are reused (recycled) items. * There are individual differences in how the condition of the product is perceived, so please understand that this is a "used item" that has been in someone's hands, and those who are sensitive or looking for a perfect item should refrain from purchasing. Product images may differ slightly in color and texture from the actual product, please understand.