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991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
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991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
Choose us with confidence, knowing every dollar spent helps protect the planet.
991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers
Item #: 229964666

991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for

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Item #: 229964666

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What Stands Out

Dual Power Source
Rechargeable and solar power ensures reliability, allowing users to operate in various environments without worrying about battery life during critical calculations.
Multiview Display
The 6-line multiview display allows for simultaneous viewing of multiple equations and results, enhancing understanding and accuracy in problem-solving for students and professionals alike.
Erasable Writing Tablet
Integrated erasable LCD writing tablet provides a convenient platform for quick notes and sketches, promoting efficient study sessions without wasting paper.

Product Details

Shop 991EX 552 Functions Desktop ROATEE Scientific Calculator Rechargeable & Solar Power, Multiview 6-Line Display with Erasable LCD Writing Tablet for High School College Graduate Student and Researchers online at a best price in Samoa. B0DJ6R97B8
  • 991EX Scientific Calculator: ROATEE business and school scientific calculator have 552 functions, deal for: General math and science, Pre-Algebra, Algebra 1 and 2, Geometry, Statistics and regressioncal culations, Calculus, fractions, decimals, Calculations involving specificnumber systems (BASE-N, binary,octal, decimal,hexadecimal), Complex number calculations, EQN, Matrix calculations, TABLE, VECTOR, SOLVE, Biology, Chemistry so on and it has memory function calculation more user-friendly
  • Scientific Calculator with Notepad: This scientific calculator for school and business intergrates calculation and notebook with a stylus pen. The lcd writing tablet enables you to take notes during the calculation, which do great help for study and work. 👉NOTE!Only Unlock the LOCK KEY will the writing area and the erase button work
  • Multiview: Display shows 6 calculations at the same time on screen, greatly improves computational efficiency
  • Dual Power Solar Panel & Rechargeable: The rechargeable battery is built in this scientific calculator, reduces battery replacement frequency, eco-friendly. It is also powered by solar energy so you don't need to worry about battery depletion
  • Anti-Drop Body and Portable: The body of this scientific calculator is constructed using ultrasonic bonding technology, resulting in an almost seamless integration of the casing. It has also undergone rigorous quality testing to ensure its reliability and performance. Due to the design of anti-drop body, no need to worry about the damage by accidentally falling and it has only weighs 5 ounces can be easily put in your pocket, which is convenient for business and school
  • Conversion of Fraction and Decimal: You can change the results through the key 'CHG'; Or you can configure calculator setting: 1. Press the button 'SHIFT'. 2. Press the button Function'. 3. Choose 1 and set the mode of fraction or decimal. 【MthIO for fraction, LineIO for decimal】
  • What Will You Get?: 991EX scientific calculator*1,usb-c charging cable*1,instructions*1,exquisite packing box*1
Calculator TypeEngineering/Scientific
Power SourceBattery Powered
Screen Size6.2 Centimeters
Number of Batteries1 C batteries required. (included)
Display TypeLCD
ColorMidnight Black-991EX
Enclosure MaterialPlastic
Item Dimensions L x W6.31"L x 3.28"W (16 cm)
BrandROATEE
Model NameAB0607-U-5D-1007
ManufacturerROATEE
Mfr Part NumberAB0607
Model NumberAB0607-U-5D-1007
Unit Count1.0 Count

Who Should Buy?

Suitable For
  • Students

    Ideal for students needing a scientific calculator with advanced functions for mathematics and science courses.

  • Professionals

    Useful for professionals requiring quick calculations and note-taking during meetings or presentations.

  • Tutors

    Great for tutors who need a reliable tool for teaching complex concepts in a clear and visual manner.

Not Suitable For
  • Casual Users

    Not ideal for casual users who only need basic calculations without advanced features.

  • Budget Shoppers

    May not be suitable for users looking for extremely low-cost calculator options without advanced functionalities.

  • Non-Technical Users

    Could be overwhelming for users unfamiliar with advanced scientific features and calculations.

Product Description

Sustainability Highlights

This product has sustainability features recognized by trusted certifications.

Carbon impact

Carbon emissions from the lifecycle of this product were measured, reduced and/or offset. As certified by

The ClimatePartner certified product label confirms that a product meets the requirements for the five steps in climate action including calculating carbon footprints, setting reduction targets, implementing reductions, financing climate projects and communicating transparently to continuously reducing emissions. Learn more about this certification

Certification Number
94R7H6
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Customer Questions & Answers

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

    Answer: The 991EX 552 Functions Desktop Scientific Calculator offers a diverse array of 552 functions, making it suitable for various mathematical tasks. It can handle calculations from basic arithmetic to advanced topics like calculus, statistics, and complex numbers. This extensive functionality makes it an excellent tool for high school and college students, researchers, and professionals who need reliable computation for diverse scenarios such as engineering projects or academic research.
  • Question: Is the 991EX calculator rechargeable, and how does the solar power feature work?

    Answer: Yes, the 991EX calculator is both rechargeable and solar-powered. The rechargeable battery allows for extended use without frequent battery replacements, promoting sustainability. The solar power feature enables the calculator to utilize natural light for power, making it a reliable option for outdoor usage or extended study sessions in well-lit environments. This dual power source ensures that you can focus on your calculations without interruptions.
  • Question: What is the significance of the Multiview 6-Line Display?

    Answer: The Multiview 6-Line Display on the 991EX enhances user experience significantly. It allows users to view multiple calculations and results simultaneously, reducing the need for constant re-entry of numbers. This feature is particularly beneficial during complex problem-solving where multiple steps are involved. Students and researchers can efficiently track calculations in real-time, ensuring accuracy and enhancing productivity during academic or professional work.
  • Question: Can I use the erasable LCD writing tablet with the scientific calculator?

    Answer: Absolutely! The erasable LCD writing tablet complements the scientific calculator effectively. You can jot down intermediate calculations or notes directly on the tablet and easily erase when they are no longer needed. This feature fosters a seamless workflow by allowing users to combine written and digital calculations, making it particularly useful for researchers conducting experiments or students solving lengthy problems.
  • Question: Is the 991EX suitable for college-level mathematics coursework?

    Answer: Yes, the 991EX is highly suitable for college-level mathematics courses. Its comprehensive function set covers various advanced topics such as calculus, linear algebra, and statistics, making it a versatile tool for undergraduate and graduate students alike. The ability to perform complex calculations quickly and with precision allows students to efficiently complete assignments and prepare for exams in a wide variety of mathematical disciplines.
  • Question: How durable is the 991EX scientific calculator?

    Answer: The 991EX scientific calculator is designed with durability in mind. Its robust construction can withstand regular use in busy academic settings or workplaces. Furthermore, the LCD display is built to resist scratches and impacts, minimizing the risk of damage during transport. This durability makes it an ideal choice for students, researchers, and professionals who require a reliable calculator to handle diverse environments and conditions.
  • Question: How is the performance of the 991EX calculator during high-demand tasks?

    Answer: The performance of the 991EX calculator in high-demand tasks is exceptional. With its powerful processing capabilities, it can handle complex functions and deliver results quickly, which is vital during exams or crunch times in research projects. Users have noted its ability to execute multiple calculations simultaneously without lag, which is crucial for maintaining focus and efficiency during intense study sessions.
  • Question: What types of users would benefit most from the 991EX scientific calculator?

    Answer: The 991EX scientific calculator is ideal for a variety of users, including high school and college students, graduate students, teachers, and researchers. It is particularly beneficial for those engaged in STEM fields, where advanced calculations and data analysis are critical. The multifunctional nature of the calculator supports diverse academic disciplines, making it an invaluable tool for anyone involved in rigorous mathematical tasks.
  • Question: Can I purchase the 991EX Scientific Calculator online?

    Answer: Yes, you can purchase the 991EX Scientific Calculator online. For those in Samoa, Ubuy is a recommended platform to buy this product. Ubuy offers a user-friendly purchasing experience, providing access to product details and customer reviews to help inform your decision. Additionally, their platform ensures that customers find what they need quickly and efficiently, making it a reliable source for obtaining the 991EX.
  • Question: Does the 991EX calculator come with a user manual?

    Answer: Yes, the 991EX calculator typically comes with a comprehensive user manual. This manual provides detailed instructions on how to utilize all the calculator's functions, offering users guidance on optimizing its features. Whether you are a novice user or an expert, the user manual serves as a valuable resource for navigating through the diverse functionalities and ensuring you get the most out of your calculator.

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  • 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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Order now and get it around Tuesday, July 21

QTY:

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Features & Benefits

  • Features 417 functions for comprehensive calculations.
  • Includes integrated notepad with a stylus for effective note-taking.
  • Displays 4 calculations simultaneously for greater efficiency.
  • Rechargeable with a built-in coin battery—no more worries about battery life.
  • Anti-drop design for durability and portability, weighing just 5 ounces.
  • Ideal for students and professionals alike, perfect for back-to-school.

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