Casio FX-991CW Scientific Calculator - Black

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Specification:

Brand: Casio
Model: FX-991CW
Product Type: Scientific Calculator
Display Type: Natural textbook display / high-definition LCD
Digits: 10 + 2 digits (mantissa + exponent)
Number of Functions: 540+
Power Supply: Solar + Battery (dual power)
Battery Type: LR44 (with solar assist)
Material: Durable plastic body
Dimensions: 162 × 77 × 10.7 mm
Weight: ~95 g
Color: Black
Compatibility: Ideal for school, college, engineering, and professional calculations

Features:

Natural textbook display shows expressions as they appear in textbooks for easier comprehension and workflow
Dual power system (solar with battery backup) ensures consistent performance in varied lighting conditions
Over 540 integrated functions covering algebra, trigonometry, statistics, calculus, matrices, vectors, combinatorics, and more
Intuitive key layout with easy-push rounded keys helps reduce input errors and supports smooth operation
High-resolution, multi-gradation LCD enhances visibility for complex expressions and data
Memory and list display capabilities support recalling previous values and calculations
Durable and lightweight design with protective hard slide-on case included

About This Product

The Casio (fx-991CW) Scientific Calculator- Black is a versatile and reliable calculator suitable for students, educators, and professionals across mathematics and science fields. Designed as part of Casio’s ClassWiz CW series, it combines over 540 built-in functions with a natural textbook display that mirrors textbook notation, making it easier to enter and interpret complex formulas.

Its dual power system (solar with battery backup) ensures uninterrupted operation, while the intuitive key layout and high-definition LCD contribute to efficient problem solving in algebra, trigonometry, statistics, calculus, matrices, and more.

Lightweight yet sturdy, the fx-991CW is ideal for everyday academic use and exam settings where non-programmable scientific calculators are required. The included protective case helps keep it safe during transport between classes or study sessions, making it a dependable companion for your mathematical and scientific computation needs.

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