Casio Fx 991Ex

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We’ve spent hundreds of hours researching and comparing Casio Fx 991Ex of all specifications to find the best one for any need (or budget). Here are the results.

The Best Casio Fx 991Ex of 2020 – Top Rated & Reviewed

2,202 Reviews Scanned

SaleRank No. #1
Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x 0.4"
  • High-resolution LCD shows more of your work to minimize scrolling
  • Advanced calculations let you quickly work through multi-step problems
  • Online Visualization provides fast representation of data for entire class
  • 2-way power ensures reliable use in any setting
  • Perfect for Calculus, Algebra, Geometry and more
Rank No. #2
(CASIO) Scientific Calculator (FX-991ESPLUS)
  • Casio Fx-991es Scientific Calculator
SaleRank No. #3
FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1
  • Perfect choice for high school and college students
  • Natural Textbook Display is highly visible
  • Protective hard case keeps calculator from being damaged
  • Powered by solar power and features battery backup supply for reliable use
Rank No. #4
Casio fx-115ESPLS2 White Advanced Scientific Calculator with Natural Display
  • 16 digit 4 line LCD display
  • Natural textbook display shows expressions and results exactly as they appear in the textbook
  • Over 280 functions, including fractions, statistics, complex number calculations, base arithmetic, linear regression, standard deviation, computer science, and polar-rectangular conversions
  • Multi-replay function allows you to backtrack step-by-step through calculations, where you can edit expressions and recalculate answers
  • Calculator has 40 metric conversions and 40 scientific constants
Rank No. #5
CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK Version), Black
  • The UK’s best-selling advanced Scientific calculator.
  • Especially recommended for advanced GCSE, a/as level and higher.
  • Replaces the old Casio fx-991es Plus
  • 552 Mathematical functions
  • Solar powered with battery backup
SaleRank No. #6
Casio FX991EX Scientific Calculator 192x63
  • Power Source: Solar, Key Size: Regular
  • Brand: Casio, Type: Scientific
  • Model: FX-991EX, Display Size: Regular
  • Size: Handheld
  • Features: LCD Display
Rank No. #7
Casio FX-350MS 2-Line Display Scientific Calculator with 240 Functions
  • Multi-replay function, 2-line display
  • Fraction calculations, Combination and Permutation
  • Statistics, (STAT-data editor, Standard deviation, Regression analysis)
  • 9 variable memories, Plastic keys
  • Comes with slide-on hard case, Size: 6.25 inch long, 3.35 inch wide
Rank No. #9
CASIO FX-CG50 Graphic Calculator
  • This UK version is recommended and approved for UK AS & A level, Core Maths and International Baccalaureate (IB), UK curriculum and exams.
  • This new model replaces the Casio FX-CG20, adding 3D graph capability.
  • High-resolution colour display with over 65, 000 colours, with 'natural textbook display' showing fractions, square roots and other numerical expressions in the same way as they appear in textbooks.
  • Over 3, 000 functions to include; Equation Solvers, Spreadsheets, Graph Solvers, Data Charts, Matrix and Vector Calculations, e-activity, Geometry application, Picture plot and 3D display
  • Includes PC connection cable and slide on protective hard screen cover.
Rank No. #10
Casio FX 260 Solar II Scientific Calculator, Black
  • All purpose scientific calculator offers fraction calculation, trigonometric functions
  • Hard Slide Case
  • 10-Digit display with two extra digits to tackle a variety of calculations.
  • Please Note: Kindly refer the User Manual before use.

Top Rated Casio Fx 991Ex to Buy Now


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Why You Should Buy Best Casio Fx 991Ex from Amazon

Amazon is not the only store that sell Casio Fx 991Ex. However, there are several compelling reasons why you should buy Casio Fx 991Ex from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping Casio Fx 991Ex Personal

Amazon is very good at making recommendations of Casio Fx 991Ex based on your search history. From time to time, they will even show you discounted prices on Casio Fx 991Ex that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add Casio Fx 991Ex to your cart and go through a multi-step checkout process, or you can buy Casio Fx 991Ex with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for Casio Fx 991Ex, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great Casio Fx 991Ex Images and Descriptions

In addition to still images, many of Amazon’s Casio Fx 991Ex have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s Casio Fx 991Ex descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for Casio Fx 991Ex. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best Casio Fx 991Ex (with Price and Reviews)

Although most Casio Fx 991Ex are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Casio Fx 991Ex:

(1) Casio Fx 991Ex Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Casio Fx 991Ex should be in line with its value. You can compare Casio Fx 991Ex reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Casio Fx 991Ex is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Casio Fx 991Ex materials differ from manufacturer to manufacturer. Consider where and how you will be using your Casio Fx 991Ex to determine if one material would be better than another.

(4) Size

Like most products, Casio Fx 991Exs come in various sizes. Do you need a large Casio Fx 991Exor a small one? Think about where you will use your Casio Fx 991Ex in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Casio Fx 991Exs also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Casio Fx 991Ex would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Casio Fx 991Ex will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Casio Fx 991Ex you purchase may affect its durability.

(7) Storage

Will you need to store your Casio Fx 991Ex? If so, you should consider the size and weight of the Casio Fx 991Exto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Casio Fx 991Ex will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Casio Fx 991Ex. It is hard to know exactly how an Casio Fx 991Ex will perform until you get it home and try it out.

(9) Warranty

Make sure the Casio Fx 991Ex you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.

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