How to Use The GATE Virtual Calculator 2024?

  • By Aashruti Bhadoria
  • 20 October 2023
How to Use The GATE Virtual Calculator 2024?

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In the fast-paced world of engineering and technology, aspiring students often embark on their journey towards a coveted B.Tech degree by cracking the Graduate Aptitude Test in Engineering or GATE exam. As of 2024, one essential tool at the heart of this rigorous examination is the GATE Virtual Calculator. In this blog, we will explore how to wield this digital marvel effectively, helping you to navigate the complex terrain of GATE and secure your path to a promising B.Tech degree. So, let's dive into the intricacies of the GATE Virtual Calculator and unlock the potential it holds for your engineering aspirations.

How to download the GATE Virtual Calculator?

Students often wonder how to get a virtual calculator for practising for the GATE exam. It's important to know that there isn't a special calculator just for the GATE exam, and there's no official GATE calculator app. But if you have an Android phone, you can find scientific calculator apps from places that aren't official. One of these apps is well-liked and can be found in the Play Store. Some phones also have a built-in calculator that can be changed to a scientific one.

For people using computers, the TCS iON website offers a virtual scientific calculator you can use for GATE practice. If you're worried about using the internet while using the calculator, you can download it to use offline. Right now, you can download the scientific calculator for PC and Mac (desktop and laptop) only. Here's how:

Step 1: Go to the TCS iON website.

Step 2: Make sure you're connected to the internet first, or the page won't load.

Step 3: When you see the calculator on your screen, press Ctrl+S.

Step 4: You'll be asked to save an HTML file. Give it a name and click "Save."

Step 5: Go to the folder where you saved the file.

Step 6: Turn off your Wi-Fi and open the HTML file.

Step 7: The file will open in your web browser and should work like it's supposed to.

How to use the GATE Calculator?

The following guidelines will help you understand how to make the most of a virtual scientific calculator:

  • Familiarise yourself with memory management:
  • "MS" stores a value in memory.
  • "M+" adds a value to the one stored in memory.
  • "M-" subtracts a specific value from the stored memory.
  • "MR" recalls the stored memory, displaying the value on the screen.
  • "MC" clears the memory, erasing any stored values.
  • Pressing "MS" when a value is already stored will replace the previous value with the new one.
  • Verify the angle unit setting: The GATE online calculator defaults to Degree for angle units, so double-check before starting calculations to ensure it's set to Degree or Radial as needed.
  • Clear calculations: Press the "C" button before starting any new calculations to remove any previous calculations, even if you didn't perform them.
  • Utilise Pi (π), log, Exp, and other functions to save time during calculations.
  • Always use parentheses when equations involve them.

During the exam, be sure to avoid the following actions:

  • Avoid changing the angle unit while working on equations.
  • Do not attempt multiple calculations simultaneously.
  • Ensure that parentheses and the calculations within them are balanced and correctly structured.

Features of GATE Calculator Online 2024

Candidates have the option to utilise the GATE online calculator for their practice sessions. The features of the GATE online calculator in 2024 may encompass:

  • Fundamental arithmetic operations, including addition, subtraction, multiplication, division, and square root.
  • Scientific functions, such as trigonometric functions (sin, cos, tan), inverse trigonometric functions, logarithmic functions (log, ln), exponential functions (exp), and power functions (x^y).
  • Conversions between different units of measurement, such as length, mass, time, and temperature.
  • A memory function that permits the storage and retrieval of intermediate results.
  • A history function that enables the review and adjustment of previous calculations.
  • A user-friendly and easy-to-navigate interface.
  • Capabilities for handling calculations involving large numbers and decimal places.
  • It's important to note that the features described above are based on the GATE virtual calculator used in previous years. These features may change depending on official announcements by the Indian Institute of Technology (IIT) for the GATE 2024 exam.

Do's and Dont's of GATE Virtual Calculator

Let's go through some essential guidelines for using the GATE online calculator. Here are the "Do's" and "Dont's" to keep in mind:


  • Always start with "C" before beginning a new calculation.
  • Perform matrix operations manually.
  • For complex trigonometric functions, calculate them manually.
  • Use brackets in the calculator when necessary to avoid extra manual calculations.
  • Familiarise yourself with the proper use of the "MS," "MC," and "MR" buttons on the calculator.


  • Avoid attempting to use the "mod" button located on the left side of the calculator as it serves no purpose.
  • Refrain from looking for coordinate conversion functions since there isn't a dedicated button for it.
  • Do not attempt to solve quadratic or polynomial equations as the calculator is not programmed for such tasks.
  • Avoid using the keyboard for input.
  • Keep in mind that the output for factorial calculations is accurate up to 14 digits.

Advantages of GATE Virtual Scientific Calculator

Using the GATE online calculator offers several benefits, especially when employed on a PC. Here are the advantages of utilising it:

  • Time-Saving: It eliminates the need for manual rough work, saving you valuable time.
  • Memory Function: The calculator enables you to save answers for future reference, streamlining your work.
  • Trigonometric Convenience: It provides quick access to basic trigonometric function values, alleviating the necessity to memorise them.
  • Enhanced Accuracy: The calculator promotes precision in calculations, allowing you to concentrate on the process itself.

Limitations of GATE Calculator Online

The virtual calculator certainly grants many candidates the flexibility to tackle complex calculations they wouldn't complete in time without one. However, it also brings forth certain drawbacks. Here are some points that may challenge candidates:

  • Keyboard Limitation: The calculator doesn't allow the use of a keyboard for input, potentially slowing down those who are accustomed to keyboard inputs.
  • Mouse Control Difficulty: Candidates who are not proficient with mouse controls might find it challenging to use the calculator efficiently.
  • Precision Limitation: Calculations involving logarithmic or hyperbolic functions will yield outputs accurate to only five digits, which can be a limitation.
  • Modulus Operations Inaccuracy: Modulus operations, which provide 15-digit outputs, may not always be entirely precise.
  • Range Restriction: The calculator registers inputs and outputs within the range of 10-323 to 10308 , which may limit certain calculations.

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