WECKEW Scientific Calculator 401 Function 2 line Display 10+2 Digits Solar and Battery with Slide on Cover for Secondary School Black (991MS 2nd Edition)

2nd edition comes with same features and new sleek design with curved edges which makes it compact and easy to carry Professional grade scientific calculator with 401 scientific functions. Easily handles 1 and 2 variable statistical calculations, three angle modes (degrees, radians, and grads), and scientific/engineering notation modes 10 + 2 digits: 10-digit mantissa + 2-digit exponential display Solves Differentiation, Integration, Statistics, Regression, Matrix, Vector etc Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages. S-V.P.A.M. (Super Visually Perfect Algebraic Method): All the features of the existing V.P.A.M. series plus a new 2-line display and a useful Replay function. All this helps to make mathematics easier to use and easier to understand than ever before Multi-replay: Quick and easy recall of previously executed formulas for editing and re-execution Solid sliding protective case covers either side of the calculator. Protects buttons and the device body 3 Years Manufacturer Warranty