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Casio FX991MS Scientific

(12 Digit)
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Available with 21 Sellers at Change
List Price: Rs. 745
Rs. 680 8% OFF
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2.9 / 5
46% positive feedback (32 ratings)
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3.8 / 5
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Rs. 745
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Specifications of Casio FX991MS Scientific (12 Digit)

General
Display (Digits) 12
Type Scientific
Brand Name Casio
Power Source Battery and Solar
Key Type Plastic
Model No FX991MS
Special Features
  • Up to 260 Functions
  • Extra Large High Contrast Clear Display
  • Key Operations are Stored in Buffer
  • 9 Variable Memories
  • Matrix Calculations
  • Equation Calculations
  • Vector Calculations
  • Battery Size: AA
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Reviews of Casio FX991MS Scientific (12 Digit)

Recent top reviews

View all
★★★★★
★★★★★

Arnab Biswas

May 21, 2016

The 'certified buyer' badge indicates that this user has purchased this product on flipkart.com.
certified buyer

Great calculator

Wyisiyg what you see is what you get. No fuss awesome calculator. Exactly what you need for college
★★★★★
★★★★★

Soumadeep Chatterjee

Sep 24, 2012

GREAT CALCULATOR OF CASIO [B.TECH]

This product is a nice product. Let me mark first, it has the best sleek outlook out of all the models of CASIO.

It has a lot of functions. The most useful are-
1. Trigonometric Functions
2. Logarithmic
3. Factorials
4. Permutation/Combinations
5. Solving Equations
6…
(View complete review)
★★★★★
★★★★★

Arvind Prakash

Jul 28, 2015

One of the most popular calculators, not without reason

There are a lot of reviews about the list of features this calculator provides but my review focuses on reasons why you should choose this calculators over the rest of them in the market.
Casio 991MS sells like hot cakes for a variety of reason.First of all, 991ms is a partner for every engineer…
(View complete review)
★★★★★
★★★★★

Razi Rasheed

May 10, 2015

The 'certified buyer' badge indicates that this user has purchased this product on flipkart.com.
certified buyer

I got dissapointed product

casio is a very good brand.but i got a faulty calculater. After typing 4 digits the display got blank...very bad product
★★★★★
★★★★★

Apr 24, 2015

Flipkart is perfect in all aspects

Filpkart is simply awesome. i am getting almost all the product i need. And the delivery is on time.

Top reviews

View all top reviews(105)

'Top Reviews' lists the most relevant product reviews only. Show ALL instead?

★★★★★
★★★★★

DHIRAJ SHARMA

Jul 30, 2012

The 'certified buyer' badge indicates that this user has purchased this product on flipkart.com.
certified buyer

SLEEK AND FAST

I used to have a Casio 9FX Caculator during my college days as most of the other students had. There were two versions of the Casio calculator and the cover used to break by the time you moved to Second year. The richer ones among us used to sport the trendy ones from Texas Instruments. Come to think of it the Calculator was called Calci during those days. I am not sure whether the same slang persists now or not.

Anyway coming to the product the updated FX991MS model from Casio is the best of the lot. The cover is a slider type and can fit as top cover or can be used for support as bottom cov
★★★★★
★★★★★

Soumadeep Chatterjee

Sep 24, 2012

GREAT CALCULATOR OF CASIO [B.TECH]

This product is a nice product. Let me mark first, it has the best sleek outlook out of all the models of CASIO.

It has a lot of functions. The most useful are-
1. Trigonometric Functions
2. Logarithmic
3. Factorials
4. Permutation/Combinations
5. Solving Equations
6. Definite Differential+Integral Calculus can be solved
7. Complex no. form
8. Matrix
9. Vectors
10. And lot more.
It has a life of 17000hours[the battery] which is 708 days of continuous i.e. 24x7 which is quite impossible.
The service of Flipkart and its reliable original product will give you 7long years of faithful service. Th
★★★★★
★★★★★

HJ

Dec 18, 2012

The 'certified buyer' badge indicates that this user has purchased this product on flipkart.com.
certified buyer

Awsem Delivery service

Got this product in just 2 days from the date of order.
Awsem condition.
coming to the product the updated FX991MS model from Casio is the best of the lot. The cover is a slider type and can fit as top cover or can be used for support as bottom cover.

The calculator has got all the functions required to tackle all subjects of Engineering be it Maths, Theory of Machines, Heat and Mass Transfer, Thermodynamics, Fluid Machines, Machine Desgin et al...yes I am a Mechanical Enginner and I purchased this one for my brother in law who has recently joined an Engg College.

If you are an engineering
★★★★★
★★★★★

Asheesh Ranjan

Jan 12, 2012

The 'certified buyer' badge indicates that this user has purchased this product on flipkart.com.
certified buyer

The best and most eonomical choice for any science student

I have been using this for the past year and it has worked perfectly.
The form factor is just amazing. It is very thin and light as compared to the ones available a few years back. The solid cover is very useful as it prevents the calculator itself from getting damaged. It has everything that a science as well as engineering student will ever need (to do on a calculator ;))

This does not have the notebook display, which however, i dont feel is very helpful. If you plan on using this calculator for a long time then have a look at FX991ES as well before purchasing (the only difference is the d
★★★★★
★★★★★

Nikhil Sharma

Apr 1, 2012

BEST CALCULATOR

I am a M.Tech student at IITD, and using it since last 5 years.
Believe me it is the Best calculator a Science Student can have, it can do whatever mathematical operation you want to perform....
and plz do NOT buy lower models, as this one makes calculations Super FAST as compared to lower versions..

SERIOUSLY RECOMMENDED !!
★★★★★
★★★★★

Aalap Shah

Nov 29, 2012

Excellent Scientific Calculator

Haven't bought this from flipkart, but from the market. Price at flipkart is very good.

Pro: Good build quality. 2 line display, both lines quite large and legible. Reasonably large buttons for easy use. Runs on LR44 cell as backup when light is not sufficient for solar panel to work. Very sleek. Scroll up-down to look at previous calculations. Speedy processor (I use 69! - 69 factorial - as a good calculation to check speed in any calculator).

Con: Very few and probably very minor. Just would have liked more previous calculations to be displayed (limited to previous 11 in standard mode, 6 i
★★★★★
★★★★★

Awesome Agrawal

Sep 11, 2012

Best for Engineering

I am a FY IT Student I used one of my friend's Casio FX991MS Scientific Calculator and It's awesome.
It is Best for engineering students and I think that it is also recommended by teachers also...................
All I am not a certified buyer cause I don't have this but I have used this and reliable because of its 3 years Casio India warranty ...........So just Trust it because its "CASIO"..................
★★★★★
★★★★★

Aakash Samuel Lall

Jun 15, 2012

Best Calculator

I have been using this for the past year and it has worked perfectly.
The form factor is just amazing. It is very thin and light as compared to the ones available a few years back. The solid cover is very useful as it prevents the calculator itself from getting damaged. It has everything that a science as well as engineering student will ever need (to do on a calculator ;))

This does not have the notebook display, which however, i dont feel is very helpful. If you plan on using this calculator for a long time then have a look at FX991ES as well before purchasing (the only difference is the di
★★★★★
★★★★★

Girish M

Apr 10, 2012

A good Calculator for Engineers

I am an Engineering student and I bought this calculator when I was in 12th standard. I have used the calculator for 5 years now seamlessly and is still in good condition without any need for battery replacement. This calculator is ergonomic and is highly functional in performing calculations varying from different mathematical domains. Highly useful and a must buy for engineers and engineering students.
★★★★★
★★★★★

Sourav Debnath

Dec 9, 2011

First to review

Review after using the calculator over 6 years

I have used the calculator since 2004.That time it is the best calculator available at Kolkata. It has almost everything but now-a-days you get more better calculator with graphic display. So, I don't think anyone like to buy this calculator.
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