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From the manufacturer
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
Customers say
Customers find this scientific calculator excellent for engineering students and professionals, praising its phenomenal functionality and intuitive menu system. They appreciate its sleek design, high-resolution display with natural textbook display, and lightning-fast calculations. While customers consider it a smart investment, opinions about value for money are mixed.
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