This is an EL-215 electronic calculator made by SHARP. It comes with the main unit and a leather case, which appears to be the dedicated case. ・Manufacturer: SHARP ・Model: EL-215 ・Included items: Main unit, case (everything shown in the images) Condition: ・There are scratches, dirt, and signs of use on the exterior. ・The case also has scratches and is misshapen. ・The operation has not been confirmed because there are no batteries.