Casio fx-991ES Plus 2nd Edition – Scientific Calculator with Natural Display
Casio Scientific Calculator 2nd edition – (fx-100MS-2)
Here's a concise description of the Casio fx-991MS-2 (2nd Edition) in a streamlined format:
Casio fx-991MS-2 Scientific Calculator 🔹 S-V.P.A.M. Display – Formula logic shown step-by-step (precursor to Natural Textbook Display). 🔹 401 Functions – Algebra, calculus, statistics, regression, matrices, vectors, and complex numbers. 🔹 Dot-Matrix Display – Clear layout for equations, fractions, and results. 🔹 Dual Power – Solar + LR44 battery (exam-safe). 🔹 Hard Plastic Case – Rugged design with slide-on cover. 🔹 Multi-Replay Function – Edit/recall previous calculations easily. 📘 Ideal For: High School STEM, Engineering, Competitive Exams (SAT/ACT/IB).
Key Strength: Time-tested reliability, exam-compliant, and globally trusted for decades.
Scientific Calculators fx-991CW
Casio fx-991CW Scientific Calculator
🔹 High-res LCD with Natural Textbook Display
🔹 552 functions (algebra, stats, calculus, matrices)
🔹 Icon-based menu navigation
🔹 Spreadsheet functionality
🔹 Solar + battery dual power
🔹 Lightweight & durable design
📘 Ideal for: STEM students, engineers, exams (SAT/ACT)
Scientific Calculators fx-991MS-2
Casio FX-991ES Plus (2nd Edition) Scientific Calculator
🔹 Natural Textbook Display – Shows fractions, integrals, and formulas as written in textbooks.
🔹 417 Functions – Covers algebra, calculus, statistics, matrices, vectors, and equation solving.
🔹 QR Code Generation – Scan solutions to view step-by-step workings on mobile devices.
🔹 High-Resolution Display – Split-screen for simultaneous formula & result viewing.
🔹 Verification Function – Checks equation accuracy step-by-step (unique feature).
🔹 Solar + Battery (LR44) – Reliable dual power for exams and daily use.
🔹 Exam Compliant – Approved for SAT, AP, IB, IGCSE, and other standardized tests.
📘 Ideal For: High School to College STEM courses, Engineering, Competitive Exams.