Product Title: Casio Scientific Calculator 991ES Plus 2nd Edition – Original, Non-Programmable
Product Description:
The Casio 991ES Plus 2nd Edition is the ultimate scientific calculator for students, engineers, and professionals who need accurate, fast, and reliable calculations. Whether you’re solving complex equations in math, physics, engineering, or statistics, this calculator offers everything you need in one powerful, compact device.
To begin with, the Natural Textbook Display (NTD) sets this model apart by showing mathematical expressions just as they appear in your textbook. As a result, solving problems becomes more intuitive and less prone to error. Moreover, the calculator supports 417 functions, including matrix calculations, vector operations, integration, differentiation, complex numbers, and equation solving.
In addition, this 2nd edition model features faster processing, improved display clarity, and better key response compared to its predecessor. The solar + battery power system ensures that it works efficiently even in low-light conditions, offering long-term reliability during exams or study sessions.
Another great advantage is that the Casio 991ES Plus 2nd Edition is non-programmable, which means it’s approved for exams in many academic institutions. Whether you’re a high school student, university scholar, or a professional preparing for standardized tests, this calculator is a trusted companion.
In short, if you’re looking for an original Casio scientific calculator with advanced features, user-friendly design, and exam compatibility, the 991ES Plus 2nd Edition is the right choice.
Features:
-
Natural textbook display for easy reading
-
417 scientific functions including matrices & vectors
-
Dual power: solar + battery
-
Faster processing & improved usability
-
Non-programmable – allowed in exams