Scientific Calculator 240 Calculations Function, 12 Digits, Double Display, Business Office School Pocket Calculator, Black Color (JS-82MS-5) 240 Calculations Functions, 10+2 Digit Display Double (Two) Line Display , 2-line display Comes with slide-on hard case (Protective Cover Case Included) Auto Power Off, Power: AG13 Button Cell Battery (Included) Dimensions : 158*84*19mm / 6.3*3.3*0.6Inches