GATE 2021 Virtual Calculator: How to Use GATE Virtual Calculator?

    Nikkil Visha Nikkil Visha
    Exams Prep Master

    One of the most sought-after exams for a career in the engineering field in India is Graduate Aptitude Test in Engineering. GATE is considered as the country’s top technical exam and every year thousands of students appear for this exam to try their luck for admissions into the best engineering colleges across India.

    The exam pattern of GATE includes numerical questions that require lengthy calculations hence GATE Virtual has been introduced. Check GATE 2021 Exam Pattern

    • GATE 2021 Virtual calculator will be provided to all candidates appearing for the entrance examination for their calculations. 

    • As the candidates will not be allowed to use a physical calculator, they will have to use the virtual calculator during the exam.

    • The Question Paper will be set within the consideration of the requirement of virtual calculator by the authorities, which will not be an issue for the candidates if practiced well beforehand. 

    The idea of using a virtual calculator in GATE exam was adopted in the year 2015 but it was not implemented in the 2015 examination. But in 2016 the exam conducting body that is IISc, Bangalore implemented the use of GATE Virtual Calculator instead of any kind of physical calculator. So it has become very important for candidates to have a good command over virtual calculator so they can do calculations easily. 

    Must Read:

    What makes GATE 2021 Virtual Calculator important?

    What makes GATE 2021 Virtual Calculator important?

    The fact that physical calculators can’t be used during the exams makes it evident that you need to learn to use an online virtual calculator. While there is not much difference between the online virtual calculator and the physical calculator, getting familiar with the online virtual calculator can make things easier during the exams. Being used during the exam really makes it important for the candidates to get used to online virtual calculators.

    • The online scientific calculator would be helpful for the candidates for solving problems quickly. 

    • They don’t need to write down the numerical values on the paper every time and calculate, just have to solve on the screen.

    • This Online scientific calculator will be available for all the candidates who will attend GATE 2021 i.e. same calculator for all. 

    • While in the case of physical calculators, some candidates have more functioning calculators than others. Such candidates always have an advantage over the other candidates.

    This method will also help the candidates during exam time whose calculator stops working and will also help those who forgot to carry their scientific calculator with them to the exam center.

    Download GATE Practice Papers

    Features of GATE 2021 Virtual Calculator

    Features of GATE 2021 Virtual Calculator

    • The right side of the virtual calculator contains all the keys for simple operations while scientific calculation keys are on the left hand side.

    • There is no need for a shift key and inverse key as inverse functions have separate keys.

    • All function keys are grouped together.

    • Candidates need not to press SHIFT or INV keys since the inverse functions have separate keys.

    • Trigonometric functions and Hyperbolic functions will be grouped together.

    • The inverse functions will be placed below the respective functions.

    • At the top of the virtual calculator, two display boxes will be provided. The top box will indicate the sequence of the keys pressed during calculation for reference.

    • The second box indicates the actual values entered or obtained after calculations.

    Instructions for using GATE 2021 Virtual Calculator

    Instructions for using GATE 2021 Virtual Calculator

    Candidates appearing for GATE 2021 can check below things to keep in mind while using the virtual calculator.


    • Be sure to press [C] before starting a new calculation.

    • Use the predefined operations such as p (Pi), log, Exp to save time during calculation.

    • Use memory function for calculating cumulative totals. As listed below.
      [M+]: Will add displayed value to memory
      [MR]: Will recall the value stored in memory
      [M-]: Subtracts the displayed value from memory

    • Be sure to select the angle unit before beginning any calculation.

    Note: By default, the angle unit is set as degree.


    • Do not perform multiple operations together.

    • Leave parentheses unbalanced.

    • Change the angle unit while performing a calculation.

    What are the Limitations of GATE 2021 Virtual Calculator?

    What are the Limitations of GATE 2021 Virtual Calculator?

    • The output for a factorial calculation is limited up to 14 digits.

    • The keyboard operation will be disabled.

    • The output for Logarithmic and Hyperbolic calculations is limited up to 5 digits.

    • Modulus operation performed on decimal numbers with 15 digits would not be precise. Use mod operation only if the number comprises less than 15 digits.

    • The range of values supported by the calculator is 10(-323) to 10(308).

    Practice GATE 2021 Virtual Calculator

    Practice GATE 2021 Virtual Calculator

    Candidates must practice the calculation on a virtual calculator before exam so that they will be familiar with use of the same. 

    • This online virtual calculator will be a part of the online test system for GATE 2021. 

    • Candidates must start the use of online Virtual Calculator as soon as possible. 

    • Candidates must know that they will not be allowed to carry a calculator with them to the examination hall for GATE 2021 examination.

    • Candidates are advised to get sufficient practice on this virtual calculator so that your GATE examination proceeds without a hitch.

    • Make sure that you familiarize yourself with all its aspects and functions. 

    • Pick up speed and learn all the keys where they are placed and have command on them so that they are not new for you on the day of the exam.

    Example of Some Calculation Using GATE 2021 Virtual Calculator
    Arithmetic CalculationsTo calculate 70 + 55 x 85 candidates must enter 70, +, 55, *, 85, =
    Function valueTo calculate 2 + log(60) x 10 candidates must enter 60, log, *, 10, +, 2, =
    Sin, cos, tan CalculationsTo calculate sin(25) or cos(25) or tan(25) candidates must enter 25, sin or cos or tan

    Check GATE 2021 Syllabus

    Download GATE 2021 Virtual Calculator Application

    Download GATE 2021 Virtual Calculator Application

    Candidates can easily download GATE 2021 Virtual Calculator Application on your mobile phone by visiting the Play Store provided in the Android Phones. 

    • After downloading the application you can use it not only for practicing calculation but there are various other helpful features that you can use. 

    • You can also check the detailed syllabus of all the subjects from this application.

    • You can also attend tutorials of Arithmetic functions, Logarithmic functions, Trigonometric functions, and much more. 

    With the help of GATE Virtual Calculator Application specially designed for android phones you can easily practice the calculations on the same so that you can get familiar with its use which will help you in saving time during the time of examination. 

    Know your GATE 2021 Exam Pattern before Using Virtual Calculator

    Know your GATE 2021 Exam Pattern before Using Virtual Calculator

    GATE 2021 will be a 3 hour computer based test where candidates will have to attempt 65 questions carrying 100 marks. 10 questions will be asked from General Aptitude are common to all papers while remaining questions are from the paper opted by the applicant. The exam pattern for all 25 papers that consist of both multiple-choice questions and numerical type questions.

    • Multiple Choice Questions (MCQ): These questions are objective in nature, and each will have four answers, out of which the candidate has to mark the correct one.

    • Numerical Answer Questions (NAQ): For these questions, the answer is a real number, to be entered by the candidate using the virtual keypad. No choices will be shown for these questions.

    • There will be no negative marking in NAT questions.

    • Questions carrying 1 mark each, 1/3 marks will be deducted as a penalty of marking the wrong answer.

    • For questions carrying 2 marks, 2/3 marks will be deducted for marking an incorrect answer.

    As per the exam paper pattern, 15% weight of marks will be given to Engineering Mathematics for the paper codes AE, AG, BT, CE, CH, CS, EC, EE, IN, ME, MN, MT, PI, TF, XE whereas 15% to General Aptitude and remaining 70% to subject paper.

    For paper codes AR, CY, EY, GG, MA, PH, and XL the General Aptitude section will carry 15% of the total marks and the remaining 85% of the toAnchortal marks are for the subject paper.

    Know More GATE 2021 Exam Pattern

    GATE 2021 Virtual Calculator FAQs

    GATE 2021 Virtual Calculator FAQs

    Question: How to calculate simple arithmetic problems using GATE 2021 Virtual Calculator?

    Ans. To calculate the simple arithmetic problem like 70 + 35 x 5 candidates must enter 70, +, 35, *, 5, = . This way you can do your calculations.

    Question: Can I use GATE 2021 Virtual Calculator to do fractional calculations?

    Ans. No. GATE 2021 virtual calculator can only be used for decimal numbers calculation. You cannot use it for doing fractional calculations. Questions with fractional numbers should be solved by candidates on their own. 

    Question: Is GATE 2021 Virtual Calculator helpful to solve quadratic equations or matrix operations?

    Ans. No. GATE 2021 Virtual Calculator is not meant for such calculations. Candidates have to perform such calculations manually. 

    Question: What type of calculations can be done using GATE 2021 Virtual Calculator?

    Ans. The following can be solved using the same:

    • Arithmetic Problems

    • Log functions problems

    • Trigonometry problems

    • Root Values

    • Cube values or cube roots

    • Square roots

    • Factorial values

    • Exponential Values

    • 10x values

    *The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College


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