Product 1: Newer Version of Casio 991 EX & 4-times better resolution than Casio 991ES Plus for easier viewing of long expressions
Product 1: Natural Textbook Display- Input and display fractions, powers, logarithms, roots, and other mathematical formulas and symbol just as they appear in textbooks
Product 1: Scientific Calculator with inbuilt QR Code function --Calculator can generate QR Code -- Useful from graphical visualization & accessing user manual using your smart phone
Product 1: Faster than any previous Casio Non-Programmable Scientific Calculator
Product 2: 2nd edition comes with same features and new sleek design with curved edges which makes it compact and easy to carry
Product 2: Trigonometrical, Logarithmic, Permutation, Combination and many other mathematical Functions
Product 2: Colour coded keypad for easy key differentiation
Product 2: Drop resistant body with water resistant printing on Keys