CASIO FX-991EX ClassWiz Scientific Calculator
The CASIO FX-991EX ClassWiz is a high-performance scientific calculator designed for students, engineers, and professionals. It features a high-resolution display and advanced calculation capabilities with over 500 functions. The calculator uses Natural Textbook Display technology, allowing mathematical expressions to appear exactly as they do in textbooks for easier understanding and accurate input.
With powerful features such as spreadsheet calculations, matrix operations, advanced statistics, and QR code graph visualization on smartphones, the FX-991EX provides a modern and efficient tool for solving complex mathematical problems.
Key Features
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552 built-in functions for advanced scientific calculations
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Natural Textbook Display for clear mathematical expressions
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High-resolution dot matrix LCD display
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Spreadsheet functionality for statistical data analysis
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QR code generation for graph visualization on smartphone
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Matrix and vector calculations
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Equation solver and advanced statistical calculations
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Dual power supply (Solar + Battery)
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Slide-on hard protective case included
Specifications
| Feature | Details |
|---|---|
| Brand | CASIO |
| Model | FX-991EX ClassWiz |
| Calculator Type | Non-Programmable Scientific Calculator |
| Number of Functions | 552 |
| Display Type | High-Resolution Dot Matrix LCD |
| Display Resolution | 192 × 63 dots |
| Display Digits | 10 + 2 digits |
| Natural Display | Yes (Textbook Display) |
| Internal Calculation Digits | 15 |
| Nested Parentheses | Up to 24 levels |
| Variables | 9 |
| Matrix Calculation | Up to 4 × 4 matrices |
| Vector Calculation | Up to 3-dimensional vectors |
| Spreadsheet Function | 5 columns × 45 rows |
| Power Source | Solar + 1 × LR44 Battery |
| Battery Life | Approx. 2 years |
| Dimensions | 165.5 × 77 × 11.1 mm |
| Weight | Approx. 90 g |
| Included Accessories | Slide-on Hard Case |
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