CASIO fx-992s Scientific Calculator - Brand: CASIO - Model: fx-992s - Features: Capable of complex calculations - Display: LCD - Accessories: Cover - Cover Color: Black Thank you for viewing. This is a used item of a rather old model, and there are some chipped corners. However, it works properly. Please consider purchasing this item, understanding that it is missing the box and instruction manual, and that there are not only chips but also areas where the paint has peeled off.