A calculator is an essential device for every engineering student. It helps to complex scientific or engineering calculations in a few seconds. So, if you are an engineering student, you will need an engineering calculator.

In this case, the Casio 991EX Scientific calculator model could meet your needs.

So today, in this blog, I will talk about the Casio 991ex calculator. That is, about its features, online/offline price and warranty. Apart from this, I will also tell you how you can complete the online registration.

Casio is one of the most well-known brands in the world regarding calculators. Casio is at the forefront, and every type of calculator is available in the market.

**Casio 991EX Scientific calculator design**

In 2004, Casio developed a scientific calculator, which displayed square roots, fractions, and other symbols, as they look like textbooks.

Casio has continued to produce a new calculator to date. The Casio 991EX scientific calculator is specially designed for engineering students, and also those who perform complex calculations.

If someone wants to operate even, they can buy it too, especially those who are calculating more. But, to operate this calculator, you must practice for a few minutes with a professional.

#### Casio 991EX Top features

It has** 552 features**, secure **menu **options, and **spreadsheets,** and you’ll get a textbook-like display. In addition, this calculator can solve up to** 4*4 matrix** problems.

While all other calculators with the same value can solve it, it can also find the values of 4 unknown equations. The best thing is that you have been given the solar panel option along with the battery.

Two-way power, 552 functions, Metalic Keys, Equation calculation, Matrix calculations, complex number calculation, CALC function / Solve function, Fraction calculation, Base-n calculation, Logical operations, Table function, Comes with new slide-on hard case.

**Online/Offline price & warranty**

Its online price is around** Rs. 1100**, maybe less offline. There may be a lower price in the electronic market; check once. If you are studying engineering, you will also need a** Mini Drafter** to draw a parallel line.

**Also check**:

#### How to **register Casio 991ex online**?

The warranty is for three years. For this, you have to register online. You must scan the** QR code** for online registration. It is a straightforward process that anyone can do nowadays.

First, scan the** QR code** with your smartphone; on the mobile screen, you will get the ‘Go-to Website’ option, click on ‘Go to Website’, and follow the next steps.

**1:** The website will open. select the** product, i.e. the calculator**,

**2:** Enter your details here,** name, email ID, and mobile number.**

**3:** After that, there will be an option to select the store,

**4:** Two options available, ‘**Online Store’ or ‘Physical store**‘. Select** ‘Online store’.**

**5**: Then enter the serial number ‘xxx-xxxxxxxxx’.

**6:** After entering the** serial number** then, select **Verify**

The Casio 991ex is an ideal calculator for studying engineering, commerce, science or any mathematician.

Otherwise, this calculator is not required for general purposes; a regular calculator costing around Rs. 150 to 200 is perfect for general calculations. If you want to buy the ** Casio FX-991EX** calculator, below is the Amazon affiliate link.

##### Calculator buying tips

When choosing a calculator, if you are a student, you have to keep in mind whether it is approved for the exam or not and also its price. The price of a calculator is also an important factor; if you are a student, you will usually not need a lot of functional scientific calculators.

For this, you need a calculator of the average function at a reasonable price, which can meet your needs. So keep these things in mind before buying a calculator.

Below, we listed two scientific and engineering calculators from the Casio brands you can check on Amazon.

**01: Casio FX-991MS** *Non-Programmable Scientific Calculator. *

**Price: ₹ 945/**–

**Check on Amazon** – **Check here**

**02: Casio FX-991ES Plus | ***2nd Edition Scientific Calculator*

**Price: ₹ 1087/**–

**View on Amazon** – **Click here**

##### FAQs

**Q: Which calculator is best for engineering students?**

A: There are many options, but I have a good experience with Casio 991EX.

**Q: What is the price of the Casio 991ex Calculator?**

A: Its price is around Rs.1100 online. But the offline price may be cheaper, do check once.

**Q: How many features are in Casio 991fx calculator?**

A: Casio claims that there is a total of 551 functions.

**Q: Is Casio 991ex calculator best for engineering students?**

A: No doubt, it is a good calculator for engineering students till now. But, this is an old calculator, so if there is a better option available in the new one, you can definitely buy it.

##### Conclusion

However, it depends on your requirement in which field you work. Different professionals require different calculators. **Casio FX-991EX** is the best scientific calculator for engineering students. It has various features and 552 functions, which is perfect for an engineering student.

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