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
Couldn't load pickup availability
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,usb-c charging cable*1,instructions*1,exquisite packing box*1
Overview
- Brand : ROATEE
- Color : 991 EX
- Calculator Type : Engineering/Scientific
- Power Source : Battery Powered
- Screen Size : 2.51 Inches
Share






Collections
-
Calculator & Office Electronics
The Calculator & Office Electronics collection includes essential devices that support productivity...
-
Calendars & Planners
The Calendars & Planners collection helps you stay on top of your...
-
Charging Cables & Power Strips
The Charging Cables & Power Strips collection keeps your devices powered and...
TyporaOffice Office Supply – Reliable Tools for Every Workplace
Crafted with precision and built to last, each product is made to handle everyday tasks with ease—so you can focus on what truly matters.

High-quality materials – durable and dependable
Boost productivity and stay organized with TyporaOffice Office Supply, designed to meet the daily demands of modern professionals. Whether you’re working from home, managing a busy office, or stocking up for your business, TyporaOffice delivers the perfect balance of quality, durability, and value.
-
Correction Tape & Fluid
The Correction Tape & Fluid collection offers quick and reliable solutions for...
-
Desk Accessories & Organization
The Desk Accessories & Organization collection offers smart solutions to keep your...
-
Desk Chairs & Furniture
The Desk Chairs & Furniture collection is designed to bring comfort and...
-
Desk Lamps & Lighting
The Desk Lamps & Lighting collection is designed to brighten your workspace...
Blog posts
View all-
The Best Laptop Accessories to Boost Comfort an...
Laptops are powerful, but the right accessories take them further. Discover the best add-ons to boost comfort, efficiency, and workflow.
The Best Laptop Accessories to Boost Comfort an...
Laptops are powerful, but the right accessories take them further. Discover the best add-ons to boost comfort, efficiency, and workflow.
-
Why Cable Management Is the Productivity Hack Y...
Tangled cables create hidden stress. Learn why cable management is the overlooked productivity hack that transforms your workspace and your focus.
Why Cable Management Is the Productivity Hack Y...
Tangled cables create hidden stress. Learn why cable management is the overlooked productivity hack that transforms your workspace and your focus.
-
The Hidden Power of Vertical Storage in Small W...
Small desk? No problem. Vertical storage clears clutter and maximizes space, turning even the tiniest workspace into a focused, productive zone.
The Hidden Power of Vertical Storage in Small W...
Small desk? No problem. Vertical storage clears clutter and maximizes space, turning even the tiniest workspace into a focused, productive zone.
Frequently Asked Questions

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