Description
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 frequently used number keys have been enlarged, and the keys are printed in an easy-to-read font.
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Easier to use!
Highly visible, easy-to-press cursor keys and function keys
The photo shows the fx-991MS 2nd edition.
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2 Quality Authentic quality
Excellent quality and authentication ensure confidence and peace of mind for use in educational settings
1Excellent quality
CASIO has established three criteria to ensure excellent quality in the MS series.
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1.Wear-resistant printing
2,000-cycle wear testing
Since these calculators are products used as educational tools for long periods of time, materials that ensure robust key durability and prevent wear or fading of key markings are used to ensure product quality.
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2.Drop-resistant body
Drop testing from a height of 75 cm
High product quality prevents key malfunction due to drop impact if a calculator falls to the floor from a desk in the classroom or display (LCD) or key breakage if a calculator is accidentally crushed in a schoolbag.
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3.Environmentally friendly
Compliant with RoHS environmental regulations
The materials used in MS series calculators comply with European RoHS environmental regulations, an international standard. The product quality reflects concern for health and the environment.
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Web Authenticity Check Procedure
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- STEP1
- A hologram sticker is affixed to the package.
Please confirm the sticker. 
The photo shows the fx-991MS 2nd edition.- Note: The example shown is a simulated QR Code.
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- STEP2
- Read the QR Code section of the hologram sticker affixed to the package with your smartphone.
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- STEP3
- Go to the QR Code link. One of the three pages below will appear.
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Likely to be a genuine product.
May not be a genuine product.
Not a genuine product. Please do not purchase.
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