Solar calculator with 7-digit display, with instruction manual. - Brand: SHARP - Model Name: EL-326 - Type: Solar calculator - Display: 7-digit display - Accessories: Instruction manual Thank you for viewing. This is a Showa-era retro calculator. Operation has been confirmed, but please understand that it has been stored at a private residence. The silicone parts have deteriorated over time and have become stiff. We cannot provide support for malfunctions after arrival, so please be aware of this. Please feel free to comment if you have any questions.