Casio Scientific Calculator (Fx-991CW)

* Natural Textbook Display- Input and display fractions, powers, logarithms, roots, and other mathematical formulas and symbol just as they appear in textbooks. * Scientific Calculator with inbuilt QR Code function --Calculator can generate QR Code -- Useful from graphical visualization & accessing user manual using your smart phone. * Faster than any previous Casio Non-Programmable Scientific Calculator. * Up to Four Degree Simultaneous and Polynomial Solver, Numerical Integration, Differentiation, Statistics, Matrix, Vector Calculation.