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label: Weight

value: 95 g

details 5:

label: Category

value: Scientific Calculator

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label: Warranty

value: 3 Year Manufacturer

details 7:

label: Functions

value: 540

details 8:

label: Model Name

value: FX-991CW

details 9:

label: Battery Type

value: LR44

details 10:

label: Display Type

value: LCD

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label: Power Source

value: Solar & Battery

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label: Display Lines

value: 17/1+10/1

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label: Material Type

value: Plastic

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label: Top Use Cases

value: Teaching and studying, Students' math learning

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value: Students

details 16:

label: Auto Power Off

value: Yes

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label: Display Digits

value: 10 + 2 digits

details 18:

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value: Hard Case

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value: Natural textbook display, Dot matrix display, 4-gradation display

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label: Country of Origin

value: Thailand

details 21:

label: Educational Level

value: GCSE/AS/A Level

details 22:

label: Item Dimensions (LxWxH)

value: 16.7 x 8.2 x 1.4 Centimeters

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value: 2 years

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content: It's a great calculator for Engineering professionals and students. It has all the functionality like 4x4 matrix solving, equation solving,etc which are very much required for engineering students.

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title: Great for engineering students, matrix and equation solving

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content: I wish I knew about this calculator in my first year of engineering... Currently in 2nd year and this is one of the best thing to have...it really saves a lot of time by doing all types of calculation.

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title: Saves time for engineering calculations, wish I had it sooner

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content: All required functions are having this. This 991cw is allowed in Accountancy XIIth Board Exams , Engineering Semester exams and also in ese exams.

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title: Allowed in Accountancy, Engineering, and ESE exams

detailedReviews 4:

content: Great value for money. Does everything I need for my engineering courses. The solar power is a nice touch.

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starRating: 4.5

title: Great value for engineering courses, solar power is nice

detailedReviews 5:

content: Very good calculator. It has all the functions needed for engineering

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starRating: 5

title: Very good calculator for engineering functions

detailedReviews 6:

content: This casio scientific calculator is having all types of mathematical and engineering function in bulk. Buttons are circular and firm.

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starRating: 5

title: Bulk mathematical and engineering functions, firm buttons

detailedReviews 7:

content: This calculator is amazing! It has so many functions and is very easy to use. The display is clear and the buttons are responsive. Highly recommend for students.

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starRating: 5

title: Amazing functions, easy to use, clear display

detailedReviews 8:

content: A must-have for any science or math student. The build quality is solid.

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starRating: 5

title: Must-have for science/math students, solid build quality

detailedReviews 9:

content: The new interface is much better than the older models. Easy to navigate through the different modes.

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starRating: 4

title: New interface is better, easy to navigate modes

detailedReviews 10:

content: I was a bit hesitant about the price, but it's worth every penny. The features are extensive.

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title: Hesitant about price, but worth it for features

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favicon: https://www.google.com/s2/favicons?domain=https://www.amazon.in/Casio-FX-991CW-Non-Programmable-Scientific-Calculator/dp/B0BLVCFK8D?utm_source=openai&sz=128

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title: Amazon India

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title: 18 User Reviews

deepSearchSourcesCount: 38

items:

items 1:

content: This calculator excels at handling complex mathematical operations, including matrix calculations up to 4x4, equation solving (linear, quadratic, cubic, systems), integration, differentiation, and probability functions, making it a powerful tool for engineering students and professionals.

detailedSources:

items:

items 1:

articleHeading: A Review on Casio fx-991CW, Scientific Calculator

articleLink: https://www.youtube.com/watch?v=7Z7B4N3dK3w

articleSummary: This YouTube video highlights the Casio FX-991CW's capability to handle complex calculations including simultaneous equations, polynomials, matrices, vectors, statistics, and probability distributions.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: You can solve simultaneous equations with up to four unknowns, handle polomials up to degree 4, work with complex numbers, perform matrix and vector operations, and even do numerical differentiation and integration., For statistics, it's equally capable.

type: ARTICLE

items 2:

content: I've been using the Casio 991CW for a while now, and I must say—it’s hands down one of the most versatile and powerful scientific calculators I’ve ever owned. Whether you're a student, an engineer, or someone who frequently deals with complex calculations, this calculator is an absolute must-have. Key Features That Impressed Me: Matrix Calculations: Handling matrices has never been easier. The 991CW allows you to perform operations like addition, subtraction, multiplication, and even find determinants and inverses with ease. This is a lifesaver for linear algebra problems! Probability Calculations: As someone who deals with statistics, the built-in probability functions are incredibly handy. Calculating combinations, permutations, binomial, and even more complex probability distributions is quick and straightforward. Equation Solving: The equation solver is a gem! Whether it’s linear, quadratic, cubic, or even systems of equations, the Casio 991CW handles them effortlessly. No more struggling with lengthy manual calculations. Integration & Differentiation: Yes, you read that right—it can perform both definite integrals and derivatives! This feature is a game-changer for calculus students. It provides accurate results, saving time and reducing errors during complex problem-solving. Other Useful Features: Complex number calculations Vector calculations Base-n conversions (binary, octal, decimal, hexadecimal) Statistical calculations (mean, standard deviation, regression, etc.) Scientific constants readily available for quick use High-resolution display that makes reading long expressions super easy Build Quality & Usability: The sleek, modern design feels premium, and the interface is intuitive. The Natural Textbook Display makes it easy to enter and view expressions just as they appear in textbooks, which is incredibly helpful for accuracy. Battery Life: It’s solar-powered with battery backup, ensuring it’s always ready when you need it most. Final Thoughts: The Casio 991CW is not just a calculator; it’s a comprehensive math assistant. It handles everything from basic arithmetic to advanced calculus and statistics with impressive precision. If you’re in the market for a reliable, feature-packed scientific calculator, look no further. This gorgeous-looking calculator is absolutely value for money! Highly recommended!

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 5

title: Comprehensive math assistant with advanced functions

type: REVIEWS

items 3:

marketplace: flipkart

source: flipkart

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/flipkart

starRating: 5

title: Great for engineering students, has matrix solving

type: REVIEWS

items 4:

content: Very good calculator. It has all the functions needed for engineering

marketplace: flipkart

source: flipkart

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/flipkart

starRating: 5

title: All engineering functions needed, very good

type: REVIEWS

items 5:

content: This casio scientific calculator is having all types of mathematical and engineering function in bulk. Buttons are circular and firm.

marketplace: flipkart

source: flipkart

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/flipkart

starRating: 5

title: Bulk of math and engineering functions

type: REVIEWS

items 6:

content: Light weight. Black in colour. Comfortable to use. Keys/buttons are very smooth. Brightness and readability are not very good but decent enough. Slightly confusing to operate initially but with practice, it gets better. Allows matrix calculations till 4 × 4 matrices. Allows polynomial factorisations till degree 5. And so much more.

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 4

title: Lightweight, smooth keys, decent readability

type: REVIEWS

reviews: rev_3, rev_18, rev_12, rev_17, rev_2

title: Handles advanced engineering & math calculations

heading: Handles advanced engineering & math calculations

id: 64d1817a

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

sources 2:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/user-reviews-icon.png

title: 5 User Reviews

type: POSITIVE

items 2:

content: The Natural Textbook Display feature allows mathematical expressions to be entered and viewed exactly as they appear in textbooks, significantly improving comprehension and reducing errors for students and anyone working with complex formulas.

detailedSources:

items:

items 1:

articleHeading: Casio FX-991CW Classwiz Non-Programmable Scientific Calculator

articleLink: https://circuitcentral.in/products/casio-fx-991cw-classwiz-non-programmable-scientific-calculator?utm_source=openai

articleSummary: This web article emphasizes the benefit of the Natural Textbook Display for comprehension and error reduction.

articleTitle: Circuitcentral

articleType: web_article

favicon: https://www.google.com/s2/favicons?domain=https://circuitcentral.in/

snippets: This feature allows mathematical expressions to be displayed as they appear in textbooks, aiding in better comprehension and reducing errors.

type: ARTICLE

items 2:

articleHeading: A Review on Casio fx-991CW, Scientific Calculator

articleLink: https://www.youtube.com/watch?v=7Z7B4N3dK3w

articleSummary: The video mentions the natural textbook display as a key feature for clarity.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: This natural textbook display makes it easier to follow along and reduces mistakes.

type: ARTICLE

items 3:

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 5

title: Comprehensive math assistant with advanced functions

type: REVIEWS

reviews: rev_3

title: Textbook-like display aids understanding

heading: Textbook-like display aids understanding

id: f5ed81d2

sources:

sources 1:

favicon: https://www.google.com/s2/favicons?domain=https://circuitcentral.in/

title: circuitcentral.in

sources 2:

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title: YouTube

sources 3:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/user-reviews-icon.png

title: 1 User Reviews

type: POSITIVE

items 3:

content: The calculator's QR code function allows users to scan codes to generate graphs and visualize data online via smartphones, offering an interactive way to explore mathematical concepts and access manuals.

detailedSources:

items:

items 1:

articleHeading: Staples Customer Reviews for Casio ClassWiz 12-Digit Battery/Solar Powered Scientific Calculator, Black (FX-991CW)

articleLink: https://www.staples.com/ptd/review/24555520

articleSummary: This review highlights the innovative QR code feature for online graphing.

articleTitle: Staples

articleType: web_article

favicon: https://www.google.com/s2/favicons?domain=https://www.staples.com/

snippets: The spreadsheet capability on this calculator is awesome but the best part about it is that you can create a QR code to create graphs online!!

type: ARTICLE

items 2:

articleHeading: Casio FX-991CW Classwiz Non-Programmable Scientific Calculator

articleLink: https://circuitcentral.in/products/casio-fx-991cw-classwiz-non-programmable-scientific-calculator?utm_source=openai

articleSummary: This article mentions the QR code function for interactive learning.

articleTitle: Circuitcentral

articleType: web_article

favicon: https://www.google.com/s2/favicons?domain=https://circuitcentral.in/

snippets: An inbuilt QR code function enables users to scan codes to generate graphs, visualize data, and access manuals on smartphones, enhancing interactive learning.

type: ARTICLE

reviews:

title: QR code links to online graphs & manuals

heading: QR code links to online graphs & manuals

id: 70c348de

sources:

sources 1:

favicon: https://www.google.com/s2/favicons?domain=https://www.staples.com/

title: staples.com

sources 2:

favicon: https://www.google.com/s2/favicons?domain=https://circuitcentral.in/

title: circuitcentral.in

type: POSITIVE

items 4:

content: The calculator is praised for its modern design, with circular, convex buttons that are comfortable to use, and a high-resolution display that supports higher contrast and four shades of gray for improved readability.

detailedSources:

items:

items 1:

articleHeading: Casio fx-991CW Scientific Calculator Review

articleLink: https://www.youtube.com/watch?v=08-0ke8KEeE

articleSummary: This YouTube review discusses the new circular buttons and improved display contrast.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: and the first thing you might notice about the CW is the circular convex buttons I actually can't think of another scientific calculator made by another major manufacturers with all round buttons if you can let me know in the comments, the CW also has a slightly uh different display from the ex it's the same real solution but it supports a higher contrast and it also supports four Shades of Gray that's used in some subtle ways throughout the UI but overall it's not a dramatic difference from the ex display

type: ARTICLE

items 2:

articleHeading: Casio FX-991CW Non-Programmable Scientific Calculator

articleLink: https://www.amazon.com/Casio-FX-991CW-Non-Programmable-Scientific-Calculator/dp/B0BLVCFK8D?utm_source=openai

articleSummary: This web article mentions the calculator's modern interface and clear display.

articleTitle: Amazon

articleType: web_article

favicon: https://www.google.com/s2/favicons?domain=https://www.amazon.com/

snippets: The Casio FX-991CW Classwiz Non-Programmable Scientific Calculator stands out as a powerful and user-friendly tool for those requiring advanced mathematical functions., Its high-resolution display, extensive functionality, and innovative features like the QR code function make it a valuable asset for students and professionals alike.

type: ARTICLE

items 3:

content: It has a modern design and is very easy to use. It has so many functions that many other calculators of the same range cannot offer. I am using it for my engineering studies and it offers all the functions I need. Buttons are of good quality except I think the on button which is small but overall have a good button quality. It has solar charging too and you won't need to change the battery often. You can carry it in your pocket. You can also change the contrast of the screen for better viewing at different lighting. Casio has made a truly wonderful product.

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 5

title: Modern design, easy to use, many functions

type: REVIEWS

items 4:

content: The Casio FX-991CW Classwiz has a good design that’s clear and easy to use. It offers excellent quality, with fast performance and reliable features. The calculator provides great comfort for daily use, making it perfect for students and professionals.

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 5

title: Good design, clear, easy to use

type: REVIEWS

items 5:

content: I recently bought the Casio fx-991CW, and so far, I’m really impressed. It’s easy to use, the display is super clear, and the new interface feels modern and ...

marketplace: google

source: google

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/google

starRating: 5

title: Easy to use, clear display, modern interface

type: REVIEWS

reviews: rev_1, rev_0, rev_26

title: Modern design with comfortable, clear display

heading: Modern design with comfortable, clear display

id: 4b962cf5

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

sources 2:

favicon: https://www.google.com/s2/favicons?domain=https://www.amazon.com/

title: amazon.com

sources 3:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/user-reviews-icon.png

title: 3 User Reviews

type: POSITIVE

items 5:

content: The calculator is powered by solar energy with a battery backup, ensuring it remains operational and ready for use without frequent battery replacements, making it reliable for long study sessions or exams.

detailedSources:

items:

items 1:

articleHeading: A Review on Casio fx-991CW, Scientific Calculator

articleLink: https://www.youtube.com/watch?v=7Z7B4N3dK3w

articleSummary: This video mentions the solar power and battery backup feature.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: In terms of power, the FX991CW runs on both solar energy and a backup battery.

type: ARTICLE

items 2:

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 5

title: Comprehensive math assistant with advanced functions

type: REVIEWS

items 3:

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 5

title: Modern design, easy to use, many functions

type: REVIEWS

reviews: rev_3, rev_1

title: Solar-powered with battery backup for reliability

heading: Solar-powered with battery backup for reliability

id: 069704e3

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

sources 2:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/user-reviews-icon.png

title: 2 User Reviews

type: POSITIVE

items 6:

content: Despite some interface changes, the calculator's solver function for equations and its polynomial solver are praised for being improved and more useful, with the polynomial solver capable of providing roots, local maximums, and minimums for cubics.

detailedSources:

items:

items 1:

articleHeading: Casio fx-991CW Unboxing & Initial Thoughts

articleLink: https://www.youtube.com/watch?v=pZjhNNIIO7g

articleSummary: This video highlights the improved solver functions as a positive aspect of the calculator.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: The one thing that I will point out that I did spot that was new — was if I go into — the equation — I look this is one bit I do like I think the solver being here is really useful, The polynomial sulfur — so if I go to cubic now I hope this is going to work for me I'm just going to make up a cubic on the go so one — let's go minus three five and two let me go to execute so I get the three roots and then it tells me so I unfortunately I didn't choose a good one there it says no local Max Min so what it does is I'll see if I can see if I can force it — let's try that one yeah so in this example local maximum minus 552 and then local minimum minus the third 32 over 27 so it gives you the coordinates of the local minimums maximums of a cubic I couldn't get it to work for a cortic — but that was that was a nice new feature that I quite liked

type: ARTICLE

reviews:

title: Improved solver functions for equations & polynomials

heading: Improved solver functions for equations & polynomials

id: 27cd1709

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

type: POSITIVE

items 7:

content: The calculator's ability to perform vector operations, including dot product, cross product, unit vector calculation, and magnitude, is a significant advantage for physics and engineering students who frequently encounter these computations.

detailedSources:

items:

items 1:

articleHeading: Calculator Physics: Common Operations with the Casio fx-991 CW

articleLink: https://www.youtube.com/watch?v=WZKf-gziaHY

articleSummary: This video demonstrates the calculator's vector operation capabilities.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: Vector operations. Let's do vector operations in the Casio FX911CW class. Wiz clear all., So to do vector operations, I'm going to go to home and I'm going to go down here to the vector app., And the cross productduct is a 3D thing. So, let's do 3D vectors. The world is in 3D. That just makes more sense.

type: ARTICLE

reviews:

title: Advanced vector operations for STEM fields

heading: Advanced vector operations for STEM fields

id: 973caa5d

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

type: POSITIVE

items 8:

content: The Casio FX-991CW is considered good value for money, offering a comprehensive suite of advanced functions that are typically found in more expensive or programmable calculators, making it an accessible tool for students and professionals.

detailedSources:

items:

items 1:

articleHeading: Casio FX-991CW Non-Programmable Scientific Calculator

articleLink: https://www.amazon.in/Casio-FX-991CW-Non-Programmable-Scientific-Calculator/dp/B0BLVCFK8D?utm_source=openai

articleSummary: This article discusses the competitive pricing of the calculator.

articleTitle: Amazon

articleType: web_article

favicon: https://www.google.com/s2/favicons?domain=https://www.amazon.in/

snippets: The Casio FX-991CW is competitively priced, offering advanced features at a reasonable cost.

type: ARTICLE

items 2:

marketplace: amazon

source: amazon

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/amazon

starRating: 5

title: Comprehensive math assistant with advanced functions

type: REVIEWS

items 3:

content: It is good working conditions and but price is high

marketplace: flipkart

source: flipkart

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/flipkart

starRating: 4

title: Good working condition, but price is high

type: REVIEWS

reviews: rev_3, rev_16

title: Excellent value for advanced functions

heading: Excellent value for advanced functions

id: 1a100f42

sources:

sources 1:

favicon: https://www.google.com/s2/favicons?domain=https://www.amazon.in/

title: amazon.in

sources 2:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/user-reviews-icon.png

title: 2 User Reviews

type: POSITIVE

items 9:

content: Some users find the menu navigation on the FX-991CW to be less intuitive and more time-consuming compared to older models, as it relies solely on cursor keys rather than number shortcuts for menu items, potentially slowing down operation for experienced users.

detailedSources:

items:

items 1:

articleHeading: Casio fx-991CW Scientific Calculator Review

articleLink: https://www.youtube.com/watch?v=08-0ke8KEeE

articleSummary: This review points out the controversial change in menu navigation.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: and the most controversial ones has to do with mini navigation because menus on the CW can only be navigated using these cursor keys whereas on the ex you can and actually sometimes you have to hit a number shortcut for a menu item, so on the ex you can either use the cursor keys or just hit the number for an app uh to switch and this makes switching between apps really quickly whereas on the uh on the CW there's obviously a lot more keystrokes involved

type: ARTICLE

items 2:

articleHeading: Casio fx-991CW Unboxing & Initial Thoughts

articleLink: https://www.youtube.com/watch?v=pZjhNNIIO7g

articleSummary: The unboxing video notes that the new navigation might take time to get used to and some functions are buried.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: it's going to take some get used to where the buttons are, so things are now kind of buried in menus and I know that's kind of getting closer to what the graphical calculator is but I just don't immediately find this intuitive because I'm so used to this one I'm sure I'll get better I'm sure I'll come around to it

type: ARTICLE

items 3:

content: Difficult to operate as compared to fx-991MS calculator... Need more time to understand it's functionality.

marketplace: flipkart

source: flipkart

sourceLogo: https://i.flash.tech/a/rs:fill:300:400:0/g:sm/plain/s3://flash-creatives/images/merchants/flipkart

starRating: 3

title: Difficult to operate compared to older models

type: REVIEWS

reviews: rev_20

title: Menu navigation less intuitive than older models

heading: Menu navigation less intuitive than older models

id: d0e647b0

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

sources 2:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

sources 3:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/user-reviews-icon.png

title: 1 User Reviews

type: NEGATIVE

items 10:

content: Some users have reported that certain functions, like converting between fractions and decimals, have become more cumbersome due to the remapping of buttons, such as the 'SD' button being replaced by a 'Format' button that requires more steps.

detailedSources:

items:

items 1:

articleHeading: Casio fx-991CW Unboxing & Initial Thoughts

articleLink: https://www.youtube.com/watch?v=pZjhNNIIO7g

articleSummary: This video highlights the change from the 'SD' button to the 'Format' button and its impact on fraction-to-decimal conversions.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: the first thing I want to point out is the removal of the SD button and changing it to the format button so I am going from decimals to fractions a lot in a level maths we focus a lot on working with improper fractions and working with those in our calculations now if I type in one divided by two onto my calculator then it automatically comes up with a half and if I want to change it to a decimal I just press the SD button okay now on new class Wiz — if I do the same thing 1 divided by 2 and press the execute button I get the one half now if I want to get the decimal equivalent to that then I need to get a format and then I need to choose which format I want now I need to go down to decimal press OK and then I've got my decimal now that feels like — a lot of work when actually why doesn't the format button cycle through the options that feels like it would be a better thing to do

type: ARTICLE

reviews:

title: Button remapping makes some conversions harder

heading: Button remapping makes some conversions harder

id: 40870d7c

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

type: NEGATIVE

items 11:

content: The calculator's calculation history can be erased when switching between apps or when the calculator auto-powers off, which can be inconvenient for users who rely on reviewing previous steps or calculations.

detailedSources:

items:

items 1:

articleHeading: Casio fx-991CW Scientific Calculator Review

articleLink: https://www.youtube.com/watch?v=08-0ke8KEeE

articleSummary: This review mentions the limitation of calculation history being erased.

articleTitle: Youtube

articleType: web_article

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

snippets: and also it also still erases calculation history when you switch between apps or when the calculator Auto Powers off although now you can set the auto time off to 60 minutes which is helpful

type: ARTICLE

reviews:

title: Calculation history erases on app switch/power off

heading: Calculation history erases on app switch/power off

id: bfee0b00

sources:

sources 1:

favicon: https://i.flash.tech/a/plain/s3://flash-creatives/images/icons/youtube_favicon.png

title: YouTube

type: NEGATIVE

scoreData:

Flash AI score: 85

scoreBreakdown:

scoreBreakdown 1:

label: Advanced Math

value: 90

scoreBreakdown 2:

label: Reliability

value: 90

scoreBreakdown 3:

label: Display Clarity

value: 85

scoreBreakdown 4:

label: User Interface

value: 65

scoreSummary: Highly recommended. The Casio Classwiz FX-991CW excels in advanced mathematical functions, offers a clear textbook-like display, and boasts reliable solar/battery power, making it an excellent choice for students and professionals despite minor UI navigation concerns.

sectionLabel: Why We Picked This

showShimmer: false

summary:

type: PICKED_REASONS

type: PRODUCT_DETAILS

widgets 4:

queries: How does this compare to the 991 EX?, What subjects is this calculator best for?, Does it come with a warranty in India?, Can I generate QR codes easily?

title: Ask more about this product

type: PL_PRODUCT_FOLLOWUP

widgets 5:

queries: Find budget scientific calculators under ₹1000, Compare Texas Instruments scientific calculators, Show calculator carrying cases and covers, Explore Casio FX-991CW alternative uses