ValueX 102 SC 10 Digit Scientific Calculator Silver Scientific pocket calculator (School calculator - not programmable) - curriculum adapted for school (middle school, secondary), vocational school (e.g. commercial, technical and advanced), studies (e.g. computer science, electrical engineering), university of applied sciences and profession (e.g. finance and accounting). Power supply: Dual Power - solar and battery (included); Including instructions with computing examples and 1 protective cover (stable hardcover).