Optimal tamquocquananh.vncation tools realized through a design that emphasizes comfort in the hand, legibility, and usability through the pursuit of simplicity
Instantaneous key recognition & ease of operation, the result of careful attention to design details
More comfortable in the hand!
A rounded design that fits naturally in the hand & a slim toàn thân that’s comfortable lớn hold
Attachable và detachable in any direction!
Hard case that’s attachable and detachable in any direction for greater ease of use
More legible!
The keys have been made rectangular, making them easier lớn press. They are also easier to read because of larger text.
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Easier khổng lồ use!
Highly visible, easy-to-press cursor keys & function keys
The photo shows the fx-991ES PLUS 2nd edition.
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2 unique Authentic quality
Excellent unique and authentication ensure confidence & peace of mind for use in tamquocquananh.vncational settings
1Tough & Sustainable
tamquocquananh.vn has established three criteria khổng lồ ensure excellent unique in the ES PLUS series.
1.Wear-resistant printing
2,000-cycle wear testingSince ES PLUS calculators are products used for many years as learning tools, the keys are made of a material that offers high durability và resistance to lớn print peeling.
2.Drop-resistant body
Drop testing from a height of 75 cmThe high product unique prevents malfunction or breakage when a calculator is dropped.
3.Environmentally friendly
Compliant with RoHS environmental regulationsThe materials used in ES PLUS series calculators comply with European RoHS environmental regulations, an international standard.
*Complies with DEHP, BBP, DBP, và DIBP
These three unique features ensure that tamquocquananh.vn ES PLUS series calculators are tamquocquananh.vncational tools that effectively support learning.
2Authenticity Check
Two methods enable authenticity checking before & after purchase.Furthermore, Premium nội dung is available to registered users of genuine ES PLUS series calculators.
Web Authenticity kiểm tra System
There are two website Authenticity kiểm tra methods. Confirm hàng hóa authenticity by using a điện thoại thông minh to scan a QR code attached to the sản phẩm package or shown on the calculator display.
Before purchase
Check on the calculator packaging
STEP1A hologram sticker is affixed khổng lồ the package.Please confirm the sticker.
The photo shows the fx-991ES PLUS 2nd edition.
Note: The example shown is a simulated QR Code.
STEP2Read the QR Code section of the hologram sticker affixed khổng lồ the package with your smartphone.
STEP3Go lớn the QR Code link. One of the three pages below will appear.
Likely to lớn be a genuine product.
May not be a genuine product.
Not a genuine product. Please vì not purchase.
Note: The web Authenticity check estimates the authenticity of the hologram sticker based on QR Code read status trends. This kiểm tra does not necessarily guarantee the product is genuine.
Hologram sticker
A QR Code và sticker printed with a hologram as shown below are affixed khổng lồ the hàng hóa package.
The hologram has an iridescent rainbow color section & a shiny white section, và the tamquocquananh.vn logo is visible.
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Note: This differs from the actual colors because color shades vary depending on the direction of the light. The hologram sticker has the following characteristics that make it difficult to lớn copy.
When the sticker is tilted to the left and right, the màu sắc changes. When the sticker is rotated, the shading is reversed.Note: A hologram sticker is affixed in limited countries.
Use the above characteristics khổng lồ authenticate a product.
After purchase
Check on the hàng hóa display
STEP1From the mode selection screen, press the 0 key to lớn display a QR code on the calculator display.
The photo shows the fx-991ES PLUS 2nd edition.
Note: The example shown is a simulated QR Code.
STEP2Scan the QR code with a điện thoại thông minh to go to lớn the linked webpage.
STEP3Choose Authenticity check or User"s Guide.
Authenticity Check
Go lớn the QR Code link. One of the two pages below will appear.
Likely to be a genuine product.
Not a genuine product.Please bởi vì not purchase.
User"s guide
Go to lớn the User’s Guide Page on website.
“QR code” is a registered trademark of Denso Wave Incorporated in nhật bản and other countries
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3 Function Natural Textbook Display
Features Natural Textbook Display format for displaying equations and calculation results just as they appear in textbooks
Fraction và square root
Trigonometry
Table
Statistical calculations
Equation calculations
Complex number calculations
Matrix calculations
Vector calculations
SOLVE calculations
CALC calculations
Integration calculations
Differential calculations
Scientific constants
Metric conversions
Natural Textbook Display models that make it easy to teach và easy khổng lồ learn!
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4 Premium nội dung A variety of original tamquocquananh.vn nội dung is available to lớn make learning mathematics fun.
Users can access this content by registering after the authentication check.
1Math Game
Become familiar with mathematics while playing a fun game.
Available languages:English, Thai, Indonesian
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2Manga
Enjoy an original manga linked lớn the math game.
Available languages:English, Thai, Indonesian
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3Certificate of Authenticity
Download the e-certificate of authenticity with your name and unique identifier code.
Available languages:English, Thai, Indonesian, Bengali, Traditional Chinese, Spanish, Portuguese, Arabic
4Mock Exam Papers và Exam Preparation Booklet
These books use the fx-991EX when illustrating how to lớn use the calculators.
Mock Exam Papers :The booklet contains mock exams & tips for use in class.
Available in Pakistan only *
Exam Preparation Booklet :Commentary and answers
Available in Bangladesh only *
