This is a set used for the Land and House Investigator exam. It has been stored at home for a long time. Scientific Calculator: CASIO fx-993ES. Operation has been confirmed, but it is recommended to replace the battery before use. Triangular Scale: Staedtler 30cm Triangular Ruler: LEC triangular ruler set of two. Tape has been applied to the back to prevent slipping, but it can be removed without any problems. Protractor: Sanko Seizu Kikai Seisaku Mechanical Pencil: PILOT 0.3 S3 series. A few spare leads are included as a bonus. Compass All items are old and show signs of use. Please check the photos and understand before purchasing.