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Casio FX-991ES Plus (2nd Edition) Non-Programmable Scientific Calculator Black
Casio FX-991ES Plus (2nd Edition) Non-Programmable Scientific Calculator Black
Casio FX-991ES Plus (2nd Edition) Non-Programmable Scientific Calculator Black
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Specification:

  • Brand: Casio
  • Model: FX-991ES Plus (2nd Edition)
  • Product Type: Scientific calculator
  • Display: Natural Textbook (dot matrix) display
  • Digits: 12-digit (10 + 2)
  • Number of Functions: 417 functions
  • Power Source: Solar & battery (dual power)
  • Battery Type: LR44
  • Memory: Variable memory functions
  • Keypad: Plastic keys with color-coded layout
  • Case: Slide-on hard protective case included
  • Weight: ~95 g
  • Dimensions: ~161.5 × 77 × 11.1 mm
  • Compatibility: Ideal for math, science, engineering, and academic use
  • Color: Black


Features:

  • Slide-on hard case protects the calculator during travel

  • Dot matrix display and color-coded keypad for fast, clear operation

  • Non-programmable design permitted in many exams and standardized tests

  • Multi-replay and SOLVE functions help edit and correct entries without re-entering

  • Dual power system (solar with battery backup) ensures reliable operation in varied lighting

  • Natural Textbook Display shows expressions as they appear in textbooks, improving readability and accuracy

  • Supports advanced calculations including algebra, calculus, statistics, matrices, vectors, complex numbers, and equation solving



About This Product

 

The Casio FX-991ES Plus (2nd Edition) Non-Programmable Scientific Calculator is a powerful and trusted tool for students, professionals, and educators. Designed with a natural textbook display, it clearly shows formulas, fractions, and results exactly as they appear in textbooks, reducing input errors and improving workflow. With 417 built-in functions, this scientific calculator can handle a wide range of mathematical tasks — from basic arithmetic to advanced calculus, matrices, and statistics — making it suitable for high school, college, engineering, and professional use.

Its dual-power design (solar plus battery backup) ensures dependable performance even in low light, and features like multi-replay and equation solving make complex problem-solving more efficient. The included slide-on protective case and ergonomic design add durability and ease of use, while the non-programmable format ensures compliance with many exam regulations.

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