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ROATEE

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

$51.79 USD
$51.79 USD
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About This

  • 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,instructions*1,exquisite packing box*1,packing case*1

Overview

  • Brand : ROATEE
  • Color : 991 EX
  • Calculator Type : 工程/科学
  • Power Source : Battery Powered
  • Screen Size : 2.51 Inches
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Reviews

  • ⭐️⭐️⭐️⭐️⭐️

    I’m amazed by the variety and quality of the vegan products here. Everything tastes fresh and natural — perfect for my plant-based lifestyle.
    Sarah M.

  • ⭐️⭐️⭐️⭐️⭐️

    The selection is incredible, and the delivery was fast. I found all my favorite vegan snacks in one place — very convenient!
    Ethan L.

  • ⭐️⭐️⭐️⭐️⭐️

    I appreciate how transparent the labeling is. It’s easy to know what’s inside, and I trust the quality. Definitely my go-to spot for vegan groceries.
    Megan T.

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Frequently Asked Question

How long does shipping take?

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

Is free shipping available?

We do not currently offer free shipping. However, this may be added at some point. We apologize.

How can I get a tracking number for my order?

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

How do I process a return or exchange?

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.