Thank you for viewing! The CASIO fx-3650P is a silver-designed function calculator with a cover. Vintage item. Programmable function calculator, operation confirmed. I used this for work, but I am selling it because I no longer need it. Please understand that this is a used item. Please understand this as a junk item. There are scratches and stains on the exterior due to aging. Please refrain from purchasing if you are looking for a perfect product or if you are sensitive to imperfections. ★Instruction manual is not included. ★New batteries have been installed: 2025/11/29 ★★Returns are not accepted after purchase. Thank you for your consideration.★★ 【Brand】CASIO 【Model Number】fx-3600P 【Category】Function Calculator 【Color】Silver #CASIO #FunctionCalculator #Program #OperationConfirmed #NewBatteries #JunkItem #Retro