Home / Cuộc Sống / fx Fx 13/06/2022 Optimal nhabepvn.comcation tools realized through a kiến thiết that emphasizes comfort in the hand, legibility, and usability through the pursuit of simplicity Instantaneous key recognition và ease of operation, the result of careful attention to lớn design details More comfortable in the hand! A rounded design that fits naturally in the hand và a slim toàn thân that’s comfortable khổng lồ hold Attachable và detachable in any direction! Hard case that’s attachable và detachable in any direction for greater ease of use More legible! The keys have been made rectangular, making them easier to lớn press. They are also easier lớn read because of larger text.Bạn đang xem: Fx Easier khổng lồ use! Highly visible, easy-to-press cursor keys and function keys The photo shows the fx-991ES PLUS 2nd edition. See more 2 quality Authentic quality Excellent chất lượng and authentication ensure confidence & peace of mind for use in nhabepvn.comcational settings 1Tough & Sustainable nhabepvn.com has established three criteria to ensure excellent chất lượng in the ES PLUS series. 1.Wear-resistant printing 2,000-cycle wear testing Since 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 lớn print peeling. 2.Drop-resistant body Drop testing from a height of 75 centimet The high product quality prevents malfunction or breakage when a calculator is dropped. 3.Environmentally friendly Compliant with RoHS environmental regulations The materials used in ES PLUS series calculators comply with European RoHS environmental regulations, an international standard. *Complies with DEHP, BBP, DBP, & DIBP These three quality features ensure that nhabepvn.com ES PLUS series calculators are nhabepvn.comcational tools that effectively support learning. 2Authenticity Check Two methods enable authenticity checking before & after purchase.Furthermore, Premium content is available lớn registered users of genuine ES PLUS series calculators. Web Authenticity check System There are two website Authenticity check methods. Confirm hàng hóa authenticity by using a điện thoại to scan a QR code attached to lớn the hàng hóa package or shown on the calculator display. Before purchase Check on the calculator packaging STEP1 A hologram sticker is affixed to lớn the package.Please confirm the sticker. The photo shows the fx-991ES PLUS 2nd edition. Note: The example shown is a simulated QR Code. STEP2 Read the QR Code section of the hologram sticker affixed khổng lồ the package with your smartphone. STEP3 Go khổng lồ the QR Code link. One of the three pages below will appear. Likely khổng lồ be a genuine product. May not be a genuine product. Not a genuine product. Please do not purchase. Note: The website Authenticity check estimates the authenticity of the hologram sticker based on QR Code read status trends. This kiểm tra does not necessarily guarantee the sản phẩm is genuine. Hologram sticker A QR Code và sticker printed with a hologram as shown below are affixed to lớn the sản phẩm package. The hologram has an iridescent rainbow color section & a shiny white section, và the nhabepvn.com hình ảnh is visible.Xem thêm: Chị Ong Nâu Và Em Bé (Tân Huyền), Lời Bài Hát Chị Ông Nâu Và Em Bé (Tân Huyền) Note: This differs from the actual colors because màu sắc shades vary depending on the direction of the light. The hologram sticker has the following characteristics that make it difficult khổng lồ 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 to authenticate a product. After purchase Check on the product display STEP1 From the mode selection screen, press the 0 key khổng lồ 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. STEP2 Scan the QR code with a điện thoại thông minh to go khổng lồ the linked webpage. STEP3 Choose Authenticity kiểm tra or User"s Guide. Authenticity Check Go to lớn the QR Code link. One of the two pages below will appear. Likely to lớn be a genuine product. Not a genuine product.Please vày not purchase. User"s guide Go lớn the User’s Guide Page on website. “QR code” is a registered trademark of Denso Wave Incorporated in japan and other countriesSee more 3 Function Natural Textbook Display Features Natural Textbook Display format for displaying equations và calculation results just as they appear in textbooks Fraction và square rootTrigonometryTableStatistical calculationsEquation calculationsComplex number calculationsMatrix calculationsVector calculationsSOLVE calculationsCALC calculationsIntegration calculationsDifferential calculationsScientific constantsMetric conversions Natural Textbook Display models that make it easy lớn teach & easy khổng lồ learn! See moreSee more 4 Premium content A variety of original nhabepvn.com content is available 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, IndonesianSee more 2Manga Enjoy an original manga linked to the math game. Available languages:English, Thai, Indonesian See more 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 & Exam Preparation Booklet These books use the fx-991EX when illustrating how lớn use the calculators. Mock Exam Papers :The booklet contains mock exams and tips for use in class. Available in Pakistan only * Exam Preparation Booklet :Commentary and answers Available in Bangladesh only *