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991EX Scientific Calculator 552 Functions 6-Line Display for High School
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991EX Scientific Calculator 552 Functions 6-Line Display for High School
The 991EX Scientific Calculator combines advanced functionality with user-friendly design, making it perfect for both school and business environments.
991EX Scientific Calculator 552 Functions 6-Line Display for High School
Item #: 244965463

991EX Scientific Calculator 552 Functions 6-Line Display for High School

90% of respondents would recommend this to a friend

Item #: 244965463

SLE 1049

Price Details

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*All items will import from US

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Order now and get it around Wednesday, September 16
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The 991EX Scientific Calculator combines advanced functionality with user-friendly design, making it perfect for both school and business environments.
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What Stands Out

Dual-Line Display
Provides clear visibility of calculations and results simultaneously, enhancing efficiency for users tackling complex equations or financial tasks.
Sliding Cover
Protects the calculator from dust and damage while allowing easy access, making it perfect for both office and home environments.
Compact Design
Space-saving size ideal for desktops or on-the-go use, ensuring you can take powerful calculation capabilities wherever needed without hassle.

Product Details

Shop 991EX Scientific Calculator 552 Functions 6-Line Display for High School online at a best price in Sierra Leone. B0DJ6R97B8
Country of OriginThis item will be imported from US
Item Weight1.5 lbs (680 grams)
What is in the box991EX Scientific Calculator 552... For more details, please check description/product details

Who Should Buy?

Suitable For
  • High School Students

    Ideal for students needing extensive functions for math, science, and exams, enhancing learning and test performance.

  • Math Enthusiasts

    Offers advanced features that cater to hobbyists and enthusiasts who require comprehensive calculations and graphing possibilities.

  • STEM Education

    Perfect for educators and students in STEM programs looking for a reliable tool to explore complex scientific equations.

Not Suitable For
  • Professional Engineers

    May lack advanced engineering features required for complex computations, making it less suitable for professional engineering work.

Product Description

991EX Scientific Calculator 552 Functions 6-Line Display for High School

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What functions does the 991EX 552 Functions Desktop ROATEE Scientific Calculator offer?

    Answer: The 991EX Scientific Calculator boasts a total of 552 functions, making it incredibly versatile for a variety of mathematical problems. It supports algebraic calculations, calculus, statistics, and matrix operations, catering specifically to high school and college students. Its advanced abilities allow students to solve complex equations, perform regression analysis, and even visualize functions. This extensive functionality can enhance understanding and performance in mathematical courses and research projects.
  • Question: Is the 991EX calculator suitable for college-level math courses?

    Answer: Absolutely! The 991EX is designed to assist students in various college-level math courses, including calculus, linear algebra, and statistics. Its comprehensive feature set allows users to handle intricate mathematical operations efficiently. Students can use it to calculate derivatives, integrals, and create detailed statistical reports, ensuring they are well-equipped for their academic challenges and maximizing their study efficiency.
  • Question: How does the rechargeable and solar power feature work?

    Answer: The 991EX calculator utilizes both rechargeable batteries and solar power, providing dual energy sources for uninterrupted use. During daylight hours, the solar panel captures sunlight to charge the device, significantly extending its lifespan. This feature is particularly beneficial for students who use the calculator regularly, ensuring that they won’t run out of power during crucial study sessions or exams, making it an eco-friendly choice as well.
  • Question: What is the Multiview 6-Line Display and how does it benefit users?

    Answer: The Multiview 6-Line Display on the 991EX allows users to view multiple calculations simultaneously. This feature enhances clarity, as students can see inputs, outputs, and intermediary steps without toggling between different screens. The capacity to visualize several lines of data at once reduces errors and makes it easier to follow complex calculations, proving invaluable during exams and collaborative study sessions.
  • Question: Can the LCD writing tablet be used for both notes and calculations?

    Answer: Yes, the erasable LCD writing tablet paired with the calculator provides a multifunctional platform for both calculations and note-taking. Users can quickly jot down ideas or perform calculations on the tablet and effortlessly erase content as needed. This flexibility is ideal for students during lectures or study groups, allowing them to visualize their thought processes and calculations clearly until they are ready to save or share their notes.
  • Question: Is the calculator user-friendly for those new to advanced mathematics?

    Answer: The 991EX is designed with user-friendliness in mind, making it accessible for those new to advanced math. Its intuitive interface and well-organized functions allow beginners to navigate easily without feeling overwhelmed. Additionally, included manuals and guides help users familiarize themselves with its features, ensuring they can take full advantage of its capabilities, whether they're just starting or progressing in their studies.
  • Question: What types of students and professionals can benefit from this calculator?

    Answer: The 991EX is perfect for high school students, college graduates, and researchers engaged in mathematics-intensive fields. High schoolers can utilize it for foundational studies, while college students can tackle advanced coursework in engineering, physics, or mathematics. Researchers also find it useful for data analysis and modeling. Its diverse applications make it a valuable tool across various academic and professional settings.
  • Question: Does the calculator support graphing or visual representation of functions?

    Answer: While the 991EX does not function as a graphing calculator, it does offer some functionalities such as numerical analysis and visual outputs of data points, which can aid in understanding mathematical concepts. It provides detailed calculations related to equations, allowing users to better interpret results and concepts visually. This is particularly beneficial for students in courses where understanding relationships between variables is essential.
  • Question: What materials or resources are included with the purchase of the calculator?

    Answer: With the purchase of the 991EX calculator, users typically receive instructional manuals and guides designed to help maximize the use of its features. These resources provide detailed explanations on setting up, operating, and troubleshooting the device. Additionally, it may include tips and example problems, which can greatly assist students in becoming accustomed to the functionalities and capabilities of the calculator.
  • Question: Where can I buy the 991EX 552 Functions Desktop ROATEE Scientific Calculator?

    Answer: You can buy the 991EX 552 Functions Desktop ROATEE Scientific Calculator from Ubuy, an excellent e-commerce platform that offers a wide range of products. Ubuy is known for its reliable service and customer satisfaction, making it a preferred choice for many. By shopping on Ubuy, you can ensure a seamless purchasing experience while accessing a diverse selection of calculators and academic tools tailored for students in Sierra Leone.

ROATEE Scientific Editorial Review

991EX Scientific Calculator 552 Functions 6-Line Display for High School is an excellent choice for students at various levels, offering a robust set of features and ease of use. Users appreciate its clear layout and 6-line display, which simplify complex calculations. It’s lightweight and portable, making it easy for students to carry. Reviewers noted its smooth button response and the reliability of its performance, making it suitable for both high school and even college courses in math and science. The design feels sturdy and durable, ensuring it withstands daily use. Overall, it stands out as a reliable tool for enhancing students' confidence in tackling mathematical challenges.

Customer Reviews & Ratings

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Pros

  • 552 built-in functions for versatile calculations
  • Clear 6-line display for easy reading
  • Lightweight and portable for student use
  • Sturdy build quality ensures long-lasting performance
  • Smooth button response for easy operation

Cons

  • Display may be difficult to read in low light conditions

Platform Trust & Buyer Confidence

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4.2/5 9300 + reviews
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JG
Jazz
Verified buyer

“Easy to use and always helpful and sorts any issues I've had past and present”

1 September 2026 · via Trustpilot
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Emmanuel
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“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”

31 August 2026 · via Trustpilot
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fnd
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“The delivery was fast and the product came undamaged and authentic.”

29 August 2026 · via Trustpilot
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Leana
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“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”

25 August 2026 · via Trustpilot
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Hengo
Verified buyer

“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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SLE 1049

Order now and get it around Wednesday, September 16

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 552 functions for diverse calculations including math, science, and statistics.
  • Integrated notepad and stylus for easy note-taking during calculations.
  • Multiview display shows 6 calculations simultaneously for efficiency.
  • Eco-friendly dual power source: rechargeable battery and solar power.
  • Anti-drop design ensures durability and easy portability.
  • Includes 1 calculator, instructions, exquisite packaging, and a carrying case.

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