OA-991ES Plus Scientific Calculator 417 Functions 2-Line Display
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OA-991ES Plus Scientific Calculator 417 Functions 2-Line Display
The scientific calculator with 417 functions is ideal for students and professionals, featuring a 12-digit display and dual power supply for ultimate convenience and accuracy.
OA-991ES Plus Scientific Calculator 417 Functions 2-Line Display
Ürün No: 90617567

OA-991ES Plus Scientific Calculator 417 Functions 2-Line Display

Ürün No: 90617567

TRY 787

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The scientific calculator with 417 functions is ideal for students and professionals, featuring a 12-digit display and dual power supply for ultimate convenience and accuracy.
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Note: Step Down Voltage Transformer required for using electronics products of ABD store (110-120). Recommended power converters Şimdi Al.

Öne Çıkan Özellikler

Natural Formula Display
Visualize complex formulas effortlessly with the natural display feature, enhancing understanding and learning for students and teachers alike.
Dual Power System
Utilizes both solar and battery power to ensure reliability and longevity, making it ideal for extensive use in classrooms and beyond.
Lightweight Design
Designed for portability, the lightweight structure makes it easy for students to carry in backpacks, ensuring they always have the tools they need for success.

Ürün Detayları

Shop OA-991ES Plus Scientific Calculator 417 Functions 2-Line Display online at a best price in Türkiye. B0DBPH5NKD
BrandDUPOTA
Model NameOA-991ES Plus
UPC726434206862
Unit Count1 Count
ManufacturerDUPOTA
Number of Items1
Item Weight125 g
Model NumberOA-991ES Plus
Mfr Part NumberOA-991ES PLUS-XY
Calculator TypeStandard Function
Power SourceBattery Powered
Screen Size4.2 inches (10.7 cm)
Number of Batteries1 LR44 batteries required. (included)
Display TypeLCD
Colorwhite
Enclosure MaterialPlastic
Item Dimensions L x W6.5"L x 5"W (16.5 cm)

Kim Satın Almalı?

Suitable For
  • High School Students

    Ideal for students needing advanced calculations and formula visualization for subjects like math, physics, and chemistry.

  • Teachers

    Useful for educators demonstrating complex equations and concepts in a clear, visual format during lessons.

  • STEM Enthusiasts

    Great for individuals engaged in science, technology, engineering, or math, requiring extensive functions for diverse calculations.

Not Suitable For
  • Casual Users

    Not ideal for those who only need basic calculations or infrequent usage of advanced mathematical functions.

ÜRÜN AÇIKLAMASI

OA-991ES Plus Scientific Calculator 417 Functions 2-Line Display

Herhangi bir sorunuz mu var? Bizimle sohbet edin

Müşteri Soruları ve Cevapları

  • Soru: What functions can the OA-991ES Plus Scientific Calculator perform?

    Cevap: The OA-991ES Plus Scientific Calculator boasts an impressive 417 functions, accommodating a variety of mathematical needs from basic arithmetic to advanced calculus and statistics. It is particularly suited for high school students as it supports functions like polynomial equations, fraction calculations, and complex number calculations. This versatility makes it indispensable for students tackling different subjects concurrently and aids in academic performance.
  • Soru: How does the Natural Formula Visualization Display enhance usability?

    Cevap: The Natural Formula Visualization Display of the OA-991ES Plus allows users to see formulas and calculations in a way that mimics traditional mathematical notation. This means fractions, roots, and other expressions appear as they do in textbooks, making it easier for students to understand and verify their work. This feature helps enhance comprehension, particularly during complex problem-solving, making it ideal for visual learners.
  • Soru: Is the OA-991ES Plus suitable for college-level coursework?

    Cevap: Yes, while the OA-991ES Plus is designed primarily with high school students in mind, its extensive range of functions, including calculus and statistical operations, also makes it suitable for early college-level coursework. Whether you're in pre-calculus or introductory statistics, this calculator can handle the workload, providing a reliable tool for both homework and examinations.
  • Soru: What is the significance of dual power in this calculator?

    Cevap: The dual-power feature of the OA-991ES Plus, which utilizes both solar and battery power, ensures that the calculator remains functional in diverse lighting conditions. This is particularly beneficial for students who may use it in different environments, such as outdoors during sunny weather or in poorly lit classrooms. Dual power enhances the calculator’s reliability, allowing students to focus on their studies without worrying about its power source.
  • Soru: How lightweight is the OA-991ES Plus, and how does that benefit students?

    Cevap: The OA-991ES Plus is designed to be lightweight, making it extremely portable for students. Weighing considerably less than other calculators, it can easily fit into a backpack or even a larger pocket. This feature is advantageous for high school students who need to carry their tools to various classes or study sessions without adding unnecessary weight to their load.
  • Soru: Can the OA-991ES Plus be used for graphing?

    Cevap: While the OA-991ES Plus is primarily a scientific calculator and does not offer graphing capabilities like graphing calculators, it still supports various advanced functions that facilitate study in algebra and calculus. Students can rely on it for plotting points, calculating slopes, and solving equations, although they might need a dedicated graphing calculator for visual graphing needs.
  • Soru: What subjects or courses is the OA-991ES Plus most suited for?

    Cevap: The OA-991ES Plus is specifically designed for use in subjects such as geometry, algebra, trigonometry, and calculus. Its wide array of functions means high school students can utilize it for different math courses concurrently, ensuring adequate support for their homework and exam preparation. The calculator's robust capabilities make it a versatile tool in any math-focused curriculum.
  • Soru: How does the calculator help with learning and understanding math concepts?

    Cevap: The OA-991ES Plus enhances learning by allowing students to visualize mathematical problems clearly through its Natural Formula Visualization Display. By seeing their calculations laid out as they would appear in textbooks, students can better grasp complex concepts and ensure accuracy in their work. This aligns closely with educational strategies aimed at improving comprehension in mathematics.
  • Soru: Is the OA-991ES Plus a good investment for high school students?

    Cevap: Absolutely! The OA-991ES Plus is a valuable investment for high school students due to its multifunctionality and educational benefits. With 417 distinct functions, it equips students to handle diverse mathematical challenges across various subjects without the need to purchase multiple devices. This comprehensive functionality helps students focus on learning rather than worrying about having the right tools for the task.
  • Soru: Where can I buy the OA-991ES Plus Scientific Calculator in Turkey?

    Cevap: You can purchase the OA-991ES Plus Scientific Calculator with Natural Formula Visualization from Ubuy in Turkey. Ubuy offers a convenient online shopping experience with a wide selection of electronic educational tools, ensuring you can find the OA-991ES Plus quickly and easily.

DUPOTA Scientific OA-991ES Plus Editorial Review

** OA-991ES Plus Scientific Calculator** The OA-991ES Plus Scientific Calculator has garnered a positive reception from students and educators alike, lauded for its extensive functionality and durability. With an impressive repertoire of 552 functions, it caters to a wide spectrum of mathematical needs, from basic arithmetic to complex calculus and statistical calculations. Users find it particularly beneficial for its ability to display calculations in two lines, allowing for a clear view of both the input and the output, which proves essential during examinations and homework. Transitioning from other brands can pose a small learning curve; however, many users appreciate the advanced features that are available at an affordable price point. Those coming from high-end calculators, like HP models, noted a surprising equivalence in functionality, albeit at a fraction of the cost. Additionally, the incorporation of solar power alongside battery backup alleviates concerns regarding energy Consumption, enhancing its practicality for everyday use in academic settings. Despite its strengths, some users have highlighted a few challenges, such as its tendency to provide answers in fraction form, which may be inconvenient during tests. Moreover, while it is packed with numerous features, the absence of specific financial calculations may limit its utility for certain professional applications. Overall, the OA-991ES Plus emerges as a robust academic tool, ideal for middle and high school students and valued by teachers for its reliability and versatility. **

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Artıları

  • Comprehensive range of 552 functions, covering basic to advanced mathematics.
  • Two-line display for clear visibility of calculations.
  • Reliable solar and battery operation, reducing the need for frequent battery changes.
  • Lightweight yet durable design makes it ideal for school use.
  • Affordable alternative to more expensive scientific calculators.

Eksileri

  • Initial learning curve for users transitioning from other brands.

PLATFORM GÜVENİ VE ALICI GÜVENCESİ

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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TRY 787

Şimdi sipariş verin ve şu tarihte alın Monday, Ağustos 31

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Güvenli işlemsecured transaction

PCI DSS uyumlu ve ISO 27001:2022 sertifikalı olup, her siparişte şifrelenmiş ödeme ve tam alıcı koruması sunar.

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Özellikler ve Faydalar

  • Offers 417 functions including exponents, matrix calculations, and statistics.
  • 12-digit large display minimizes input errors with clear formula visibility.
  • Dual power supply ensures uninterrupted usage with solar panels and batteries.
  • Automatic power-off saves energy after 8 minutes of non-use.
  • Ultra-light and portable design is perfect for students and professionals alike.
  • High-quality keys provide comfort and responsiveness for precise calculations.

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