Newer Version of Casio 991 EX & 4-times better resolution than Casio 991ES Plus for easier viewing of long expressions

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