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The Casio FX-991ES Plus 2nd Edition Calculator is one of the top-tier Casio Scientific Calculator designed for students, engineers, and professionals who demand precision, versatility, and reliability. As one of the most trusted models in the Casio Calculator lineup, This Casio FX991ES Plus 2 Calculator offers 417 advanced functions, covering everything from basic arithmetic to complex calculus, matrix operations, vector analysis, and statistical calculations.
Casio FX-991ES Plus 2nd Edition's standout feature the Natural Textbook Display shows equations and results exactly as they appear in textbooks, making it easier to learn, verify, and solve problems. Whether you're preparing for exams or working on technical projects, this Casio FX-991ES Plus 2nd Edition Scientific Calculator ensures clarity and accuracy at every step.
Powered by dual energy sources (solar + battery), it offers long-lasting performance in any environment. The Casio calculator also includes a Multi-Replay function, allowing users to recall and edit previous entries with ease ideal for exam settings and iterative problem-solving.
With a dot matrix display, color-coded keypad, and a durable slide-on hard case, the Casio FX-991ES Plus 2nd Edition Calculator combines ergonomic design with powerful functionality. It’s the perfect choice for those seeking a non-programmable scientific calculator that’s approved for exams and trusted in academic and professional settings.
Natural Textbook Display: Shows equations just like in textbooks for easier understanding.
417 Functions: Covers calculus, algebra, matrices, vectors, statistics, and more.
Multi-Replay & SOLVE: Lets you recall and edit previous calculations quickly.
Dual Power (Solar + Battery): Reliable performance with energy efficiency.
Dot Matrix Screen: Clear and sharp display for complex expressions.
9 Variable Memory: Store multiple values for multi-step problems.
Slide-On Hard Case: Protects the calculator during travel or daily use.
Exam-Friendly Design: Non-programmable and approved for most academic exams.
The Casio FX-991ES Plus 2nd Edition Calculator includes over 400 built-in functions covering a wide range of mathematical disciplines. This scientific calculator can do any mathematical function, such as trigonometry, algebra, calculus, and statistics. Because of its adaptability, it is ideal for professionals in fields like as science, engineering, and finance, as well as students in high school and university.
The Casio FX-991ES Plus 2nd Edition Calculator's outstanding features is its natural textbook display. This cutting-edge feature improves comprehension and reduces error rates by providing computations in the same format as traditional textbooks. Because of its clear and straightforward structure, this Casio Scientific Calculator makes it simple to navigate complex calculations and conclusions.
This Casio FX-991ES PLUS-2 Calculator has a powerful equation solver that can handle polynomial and simultaneous equations while providing customers with precise and quick results. The Casio FX-991ES Plus 2nd Edition Calculator, which is required for sophisticated mathematics and engineering applications, also allows users to do matrix calculations. This casio scientific calculator can perform matrix computations.
Q1. Is the Casio FX-991ES Plus 2nd Edition allowed in exams?
A: Yes, it’s a non-programmable scientific calculator, making it approved for use in most school, college, and competitive exams.
Q2. What’s the difference between the 1st and 2nd Edition?
A: The 2nd Edition offers faster processing, improved display contrast, and better usability compared to the original model.
Q3. Does Casio FX-991ES Plus 2nd Edition Calculator support matrix and vector calculations?
A: Yes, it supports matrix operations (up to 3×3) and vector calculations, making it suitable for engineering and advanced math.
Q4. Can this Casio Calculator solve equations and perform integration/differentiation?
A: Absolutely. It includes functions for solving equations, definite integrals, and derivatives.
Q5. Is it solar-powered or battery-operated?
A: Casio FX-991ES Plus 2nd Edition Calculator uses dual power : solar for daylight use and battery backup for low-light conditions.
Q6. Does it have a natural display format?
A: Yes, the Natural Textbook Display shows expressions as they appear in textbooks for easier understanding.
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