What are the key features of the Casio FX-991ES PLUS-2 Scientific Calculator?

The Casio FX-991ES PLUS-2 is equipped with a range of advanced features including 552 functions, natural textbook display for easily readable equations, and USB connectivity for data transfer. It supports a variety of calculations from algebra and calculus to complex number operations and statistical analysis. These features cater to high school and university students, making it ideal for subjects such as mathematics, physics, and engineering. Its durability and battery life also enhance usability, allowing for extended period studies without frequent battery changes.

Is the Casio FX-991ES PLUS-2 suitable for university-level calculations?

Absolutely! The FX-991ES PLUS-2 is designed to handle complex calculations required in university courses. It includes advanced functions such as derivatives, integrals, and matrices that are essential for higher education studies in mathematics and science. Furthermore, its multi-replay function allows students to review previous calculations, making it easier to learn and apply concepts. Whether you're finding limits or solving equations, this calculator is an excellent companion for university students.

Can the Casio FX-991ES PLUS-2 perform statistical analysis?

Yes, the FX-991ES PLUS-2 can perform a wide range of statistical analyses. It includes functions for calculating mean, standard deviation, regression analysis, and more. These capabilities are crucial for students in statistical courses or in fields that require data analysis. You can use this calculator to streamline your homework and projects, allowing you to focus more on understanding concepts rather than calculating values manually.

What kind of batteries does the Casio FX-991ES PLUS-2 use?

The Casio FX-991ES PLUS-2 operates on solar power with a backup battery system. This means that it utilizes natural or artificial light to function, reducing the need for regular battery replacements. The solar feature is especially useful during long study sessions or exams where power outlets may not be available. However, in low-light conditions, the battery ensures that you can keep using the calculator without interruption.

Does the Casio FX-991ES PLUS-2 come with a warranty?

Yes, the Casio FX-991ES PLUS-2 typically comes with a manufacturer's warranty, which varies by region. This warranty usually covers defects in materials and workmanship, giving you peace of mind with your purchase. It's always advisable to check the warranty terms before buying. Additionally, the brand's reputation for quality generally assures customers of the product's longevity and performance under regular use.

How does the natural textbook display feature work in the Casio FX-991ES PLUS-2?

The natural textbook display of the FX-991ES PLUS-2 presents equations and fractions in the same format as they appear in textbooks, which makes them easier to read and understand. This display format reduces the learning curve for students new to scientific calculators as they can directly relate numbers and symbols as they are traditionally taught. This feature is particularly beneficial in exams where clarity is crucial.

Is the Casio FX-991ES PLUS-2 easy to use for beginners?

Yes, the Casio FX-991ES PLUS-2 is designed with user-friendliness in mind, even for those who are new to scientific calculators. The layout of buttons is logical, and many functions are accessible with just a few keystrokes. Additionally, the comprehensive manual provided offers clear instructions on how to utilize the functions effectively. Whether you're in high school or just starting university, this calculator supports your learning journey without being overwhelming.

Can I use the Casio FX-991ES PLUS-2 for engineering calculations?

Certainly! The FX-991ES PLUS-2 is well-suited for engineering calculations. It supports a variety of functions including complex numbers, vector calculations, and matrix operations, which are essential in fields like mechanical and civil engineering. The calculator’s ability to handle multi-dimensional calculations and convert units helps engineers tackle real-world problems effectively in academic and professional settings.

What types of problems can I solve with the Casio FX-991ES PLUS-2?

The Casio FX-991ES PLUS-2 can solve a plethora of mathematical problems, from basic arithmetic and algebra to advanced functions in calculus and statistics. It can handle equations, inequalities, probability distributions, and even graphical representations. Whether you're working on homework, preparing for exams, or conducting research, this calculator simplifies problem-solving, making it a versatile tool for both students and professionals.

Where can I buy the Casio FX-991ES PLUS-2 Scientific Calculator in Hong Kong?

You can purchase the Casio FX-991ES PLUS-2 Scientific Calculator in Hong Kong through Ubuy. Ubuy offers a reliable online shopping platform where you can find this calculator along with a range of other electronic products. They provide easy navigation, secure payment options, and reliable shipping services, ensuring that you get your calculator delivered without any hassle.

如何從 Ubuy 在線購物 Casio FX-991ES Plus-2 Scientific Calculator？

從 Ubuy 在線購物 Casio FX-991ES Plus-2 Scientific Calculator 非常簡單。. 您只需搜索產品，在結賬時選擇運輸方式，然後將其運送到您所在的位置。

Casio FX-991ES Plus-2 Scientific Calculator 可以在 Hong Kong 在線購物嗎？

是的，您可以在 Ubuy Hong Kong 以合理的價格購買該產品。. Casio FX-991ES Plus-2 Scientific Calculator 在本地不可用，但您可以信任我們的快遞服務。

下訂單後需要多長時間才能收到產品？

您訂購的產品的交貨時間根據您訂購的商品和您選擇的運輸方式而有所不同。. 結賬時會提到預計送貨時間，所以購物時請放心。

Casio 觀看原文

Casio FX-991ES Plus-2 Scientific Calculator

The natural display shows mathematical expressions such as roots and fractions that appear in your textbook, and this increases understanding because the results are easier to understand.

Casio

物品 #: 29860697

Casio FX-991ES Plus-2 Scientific Calculator

85% of respondents would recommend this to a friend

物品 #: 29860697

HKD 402

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from 美國}

50+ bought

供應情形 : 有存貨

從USA商店導入

QTY:

存貨僅剩 14 個物品。

現在訂購，約可在下列時間收貨：星期四, 九月 24

Secured transaction

Our Top Logistics Partners

The natural display shows mathematical expressions such as roots and fractions that appear in your textbook, and this increases understanding because the results are easier to understand.

U-Care Warranty:

None

選擇一個計劃

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.

What Stands Out

Advanced Functions

The Casio FX-991ES PLUS-2 offers over 500 functions, including complex numbers and calculus, addressing a wide range of mathematical needs for students and professionals alike.

Solar and Battery

Equipped with both solar and battery power, this calculator ensures reliability and longevity, making it a practical choice for extended use in classrooms and exams.

User-Friendly Design

Featuring a clear, intuitive interface and natural display, the FX-991ES PLUS-2 enhances user experience, making it easy for anyone to perform complex calculations effortlessly.

產品詳情

Casio FX-991ES Plus-2 Scientific Calculator
Features natural display (natural-v.p.a.m.) for mathematical expressions
Displays roots and fractions to increase understanding
Results are easier to comprehend
Ideal for students and professionals
Enhances mathematical problem-solving

Brand	Casio
Model Name	FX 991ES
Manufacturer	CASIO
Number of Items	1
Item Weight	100 g
Model Number	FX-991ESPLUS-2SETD
Mfr Part Number	FX-991ESPLUS-2SETD
Calculator Type	Engineering/Scientific
Power Source	Battery Powered
Screen Size	2 centimeters
Number of Batteries	1 Lithium Ion batteries required. (included)
Display Type	LCD
Color	Black
Enclosure Material	Plastic
Item Dimensions L x W	19.69"L x 19.69"W (50 x 50 cm)

Who Should Buy?

Students in STEM
Ideal for high school and college students studying mathematics, physics, or engineering due to its extensive functions.
Professionals
Useful for engineers, scientists, and mathematicians requiring advanced calculations and formulas in their daily tasks.
Examinations
Approved for use in various standardized tests, providing reliability and compliance with examination regulations.

Casual Users
Not ideal for simple arithmetic needs; basic calculators are more user-friendly and sufficient for everyday calculations.

產品敘述

有疑問？與我們聊天

客戶問題與解答

題: 如何從 Ubuy 在線購物 Casio FX-991ES Plus-2 Scientific Calculator？

回答: 從 Ubuy 在線購物 Casio FX-991ES Plus-2 Scientific Calculator 非常簡單。. 您只需搜索產品，在結賬時選擇運輸方式，然後將其運送到您所在的位置。
題: Casio FX-991ES Plus-2 Scientific Calculator 可以在 Hong Kong 在線購物嗎？

回答: 是的，您可以在 Ubuy Hong Kong 以合理的價格購買該產品。. Casio FX-991ES Plus-2 Scientific Calculator 在本地不可用，但您可以信任我們的快遞服務。
題: 下訂單後需要多長時間才能收到產品？

回答: 您訂購的產品的交貨時間根據您訂購的商品和您選擇的運輸方式而有所不同。. 結賬時會提到預計送貨時間，所以購物時請放心。

Casio Scientific FX-991ESPLUS-2SETD Editorial Review

Casio FX-991ES Plus-2 Scientific Calculator is an essential tool for students, particularly beneficial for those entering algebra, thanks to its wide range of features including fractional calculations and a simple equation solver. Users have noted its ease of use, making it favorable for 6th graders and even university students tackling complex math courses. With a solid build and quality buttons, this lightweight calculator provides reliable performance. However, it is important to note that if graphing is a key requirement, this model does not support that function, limiting its usability for some advanced math tasks.

Customer Reviews & Ratings

4.5

338 客戶評分

5 星

74%
4 星

13%
3 星

6%
2 星

2%
1 星

5%

評價此產品

與其他客戶分享您的想法

優點

Ideal for 6th grade math and algebra.
Includes fraction and simple equation solving features.
Lightweight design at only 100 grams.
Excellent build quality and button responsiveness.
Battery powered with included lithium ion battery.

缺點

Does not support graphing features.

Product Price History

重要資訊

限制：如跨國購買產品，請注意製造商的保固有可能無效；製造商服務選項可能無法使用；產品手冊、教學、以及安全警示可能不會是目的地國家的語言；產品（與附加材料）設計也許不會符合目的地國家的標準、規格、以及標示要求；且產品也許不會符合目的地國家的伏特數值與其他電力標準（需要使用合適的變壓器或轉接器）。收件者須負責確定該產品在目的地國家可合法進口。當在 Ubuy 或其聯盟夥伴網站上訂購時，收件者為記錄上的進口者，且必須遵從目的地國家的法律與規範。
由於 Ubuy 是一個全球搜尋引擎，並不是所有列於 Ubuy 的產品都有出售。產品須受出口／貿易法規規範。

HKD 402

現在訂購，約可在下列時間收貨：星期四, 九月 24

QTY:

存貨僅剩 14 個物品。

Secured transaction

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

Our Top Logistics Partners

Fastest cross-border delivery

特色和優勢

Natural display increases understanding.
Shows mathematical expressions like roots and fractions.
Results are easier to understand.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Casio FX-991ES Plus-2 Scientific Calculator

HKD 402

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

產品詳情

Who Should Buy?

產品敘述

客戶問題與解答

Casio Scientific FX-991ESPLUS-2SETD Editorial Review

Customer Reviews & Ratings

評價此產品

優點

缺點

Product Price History

重要資訊

HKD 402

特色和優勢

Ubuy Assurance

Fast
Shipping

Free
Return^*