<h4>Casio Fx-991Es Plus-2Nd Edition Technical And Scientific Calculator Fx-991Es Plus 2Nd Edition</h4> <p> </p> <p data-start="282" data-end="496">The <strong data-start="286" data-end="321">Casio FX-991ES Plus 2nd Edition</strong> is a highly reliable scientific calculator designed for academic and professional use, offering an extensive range of <strong data-start="440" data-end="458">400+ functions</strong> to support complex problem-solving.</p> <p data-start="498" data-end="729">Built with <strong data-start="509" data-end="543">Natural Textbook Display (NTD)</strong>, it presents equations, fractions, roots, and results exactly as they appear in textbooks, making it easier for students to understand and verify their calculations without confusion.</p> <p data-start="731" data-end="958">The calculator covers a wide range of functions including algebra, trigonometry, statistics, calculus, probability, and complex number operations, making it suitable for high school, college, and engineering-level coursework.</p> <p data-start="960" data-end="1171">It operates on <strong data-start="975" data-end="1014">dual power (solar + battery backup)</strong>, ensuring consistent performance during long study sessions or exams, with solar energy saving battery life and a reliable backup in low-light conditions.</p> <p data-start="1173" data-end="1476">Lightweight and compact, the calculator has an ergonomic key layout and <strong data-start="1245" data-end="1266">sleek body design</strong>, making it comfortable for long-term use. The <strong data-start="1313" data-end="1328">2nd Edition</strong> further refines usability with improved display readability and faster processing, ensuring smooth operation in exams and technical environments.</p> <p data-start="1478" data-end="1679">With its durable build and high efficiency, the <strong data-start="1526" data-end="1555">FX-991ES Plus 2nd Edition</strong> is a trusted academic companion that balances functionality, speed, and reliability for students and professionals alike.</p>