Casio - Standard Scientific Calculators | fx-991ES PLUS
Casio - Standard Scientific Calculators | fx-991ES PLUS
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1 Design Simple and easy to use
Optimal education tools realized through a design that emphasizes comfort in the hand, legibility, and usability through the pursuit of simplicity
Instantaneous key recognition and ease of operation, the result of careful attention to design details
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More comfortable in the hand!
A rounded design that fits naturally in the hand and a slim body that’s comfortable to hold
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Attachable and detachable in any direction!
Hard case that’s attachable and detachable in any direction for greater ease of use
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More legible!
The keys have been made rectangular, making them easier to press. They are also easier to read because of larger text.
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Easier to use!
Highly visible, easy-to-press cursor keys and function keys
Features Natural Textbook Display format for displaying equations and calculation results just as they appear in textbooks
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Fraction and square root
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Trigonometry
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Table
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Statistical calculations
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Equation calculations
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Complex number calculations
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Matrix calculations
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Vector calculations
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SOLVE calculations
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CALC calculations
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Integration calculations
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Differential calculations
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Scientific constants
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Metric conversions
Natural Textbook Display models that make it easy to teach and easy to learn!
