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How to Utilize Calculator in CAT 2025: Calculation-heavy sections like Quantitative Ability and Data Interpretation often make CAT aspirants anxious, especially those from non-mathematics or non-engineering backgrounds. Fortunately, the CAT exam provides an on-screen calculator, a feature first introduced by the Indian Institutes of Management in 2015.
Many candidates wonder if calculators are allowed in the CAT. The answer is yes, but only the virtual calculator provided on-screen during the test. While it can help reduce errors and build confidence, especially for those less confident in mental math, over-dependence can eat into your valuable time.
With the right approach, this tool can act as a time-saver rather than a distraction. For aspirants appearing in CAT 2025, mastering the use of the on-screen calculator during preparation can lead to a more efficient and confident performance on exam day.
Since CAT 2015, an onscreen calculator has been available during the exam. In CAT 2015, a scientific calculator was provided, but from CAT 2016 onwards, the onscreen calculator has been limited to basic functions like addition, subtraction, multiplication, and division, along with features like square root and reciprocal.
This calculator can be moved around the screen, and you can open or close it by clicking the calculator button in the exam interface. Below, you can find a replica of the calculator used in the exam—just click the "View Calculator" button to practice using it.
For a more realistic experience, you can also take a free mock exam to practice using the calculator in an actual exam setting.
In the CAT exam (Common Admission Test), the use of a calculator is permitted, but personal calculators are not allowed. Instead, you'll have access to an on-screen calculator on the computer during the test.
Mastering the use of this calculator can significantly enhance your performance, giving you a competitive advantage in securing admission to your desired MBA program.
The CAT exam calculator is a specialised on-screen tool designed specifically for standardised tests like the GMAT, GRE, or LSAT. Unlike standard scientific calculators, these are more limited in functionality and tailored to meet the requirements of the testing environment.
For the CAT exam, the on-screen calculator includes essential arithmetic functions, addition, subtraction, multiplication, and division. Additionally, it features two helpful functions to simplify calculations: a reciprocal button and a square root button.
Using an online calculator for CAT 2025 can be beneficial because it helps you perform calculations quickly and accurately during the exam. Since CAT is a time-constrained test, an online calculator can save you time on complex calculations, allowing you to focus more on solving problems and managing your time effectively. It also helps in reducing errors that might occur with manual calculations. Familiarising yourself with the calculator beforehand can make you more comfortable and efficient during the actual exam.
Here are the tips on how you can avail of maximum benefit from the CAT exam on-screen calculator 2025.
The working of the onscreen calculator provided in the CAT exam will be the same as that of a normal calculator. You will have to make your entries using the buttons provided on the screen and then the result will be displayed on the calculator window when you submit your entries. It is rightly said that a tool is only as good as the workman is; hence, aspirants must be comfortable using the CAT online calculator beforehand.
Practising the use of an online calculator before the actual CAT 2025 exam will help students familiarise themselves with the interface. Additionally, knowing how can we use a calculator in the CAT exam will help students to utilise their time efficiently. Students are advised to learn the features of the CAT online calculator by taking online mock tests for CAT.
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Students are advised not to completely rely on the use of the calculator for every question related to CAT quantitative ability questions. Candidates must not use the calculator for basic calculations unless it is necessary, as it can be time-consuming. If they can mentally solve questions from CAT previous year question papers, then they should try to do so. Students must have a certain calculation speed before the CAT exam as it is an important prerequisite. Students must have a strong hand in basic calculations and must refrain from utilising the calculator for the CAT exam if not needed.
Calculators should ideally be used for intensive calculations in the CAT exam instead of basic calculations to save as much time as possible. Candidates must quickly identify the CAT questions where they would be required to make use of the calculator in the CAT exam. Questions asked in CAT 2025 which involve decimals and complex calculations can be used there to save time.
While preparing for CAT 2025, students should practice using the on-screen calculator during CAT mock tests 2025. It helps identify why, when and how to take CAT mock test effectively and decide when the calculator is actually useful—especially for complex calculations. Regular use can help in CAT: Errors to avoid on the exam day, improving accuracy and speed during the exam.
Having a good calculation speed gives students an edge to attempt more questions in less time during the CAT exam. Using the on-screen CAT exam calculator may not be always helpful as some of the maths tricks mentioned below:
Vedic maths - Vedic maths includes techniques to solve mathematical questions simply. Using regular mathematical steps along with the CAT calculator will be time-consuming in CAT exam wherein the section-time limit of 40 minutes is provided. Using Vedic maths improves memory and confidence.
Mind games - With the advancement of technology students must download various mathematics mind games on their mobile. Candidates must utilise this app in their free time and practice various skills in solving questions. This will help improve their calculation speed for the CAT exam 2025.
Students while learning the tricks must note them down to register it in mind. Often students believe simply watching videos and passive learning will help them retain till the day of the CAT exam, however, this is not true. Note down the CAT important tricks to solve certain CAT paper questions and while practising apply those techniques.
Students who have a habit of making silly mistakes must utilize the calculator for CAT 2025 to verify their responses. Even if the candidate is sure of his calculation skills, after completing the question, he/she must ensure that the answer is accurate by using the CAT calculator for calculations. This would eliminate the unnecessary negative marking and help achieve a good score in CAT 2025.
While using a calculator in the CAT exam can be beneficial, it's crucial to avoid common mistakes that could negatively affect your performance. Here are some pitfalls to watch out for:
Not Familiarising Yourself with the Calculator: If you're not familiar with the specific calculator used in the exam, you might waste valuable time figuring out how to operate it. Practice with the calculator beforehand to avoid this problem.
Overreliance on the Calculator: Relying too much on the calculator can lead to careless errors or missed steps in your calculations. Always double-check your answers manually and ensure you understand the underlying mathematical concepts, even if you're using the calculator for computations.
Not Using Keyboard Shortcuts: Keyboard shortcuts can significantly enhance the speed and efficiency of your calculations. Familiarise yourself with the available shortcuts and practice using them in a testing environment.
Poor Memory Management: CAT calculators usually have limited memory, so it's essential to manage it effectively. Remember to clear the memory after each calculation and save any important results you may need to reference later.
Forgetting to Adjust Settings: Many CAT calculators offer customizable settings, such as the number of decimal places and the angle unit. Make sure to adjust these settings to suit your needs and practice using them ahead of time to prevent mistakes during the exam.
Candidates must carry their admit card and a valid photo ID to the test center. Arrive at least 90 minutes early. Electronic devices, bags, and study material are not allowed. Follow all COVID-related and biometric verification protocols strictly. Here are the major CAT exam day instructions that one must follow:
Arrive at the test centre well before the reporting time to avoid any last-minute stress.
Bring your printed admit card and a valid photo ID proof.
Electronic gadgets like mobile phones, smartwatches, and physical calculators are not allowed.
A basic virtual calculator will be available on your computer screen for calculations.
Listen carefully to the invigilators and adhere to all exam hall protocols.
Allocate your time wisely for each section; once the time for a section ends, you cannot revisit it.
Keep calm and stay focused throughout the exam for optimal performance.
Yes, candidates use the on-screen calculator for complex calculations, especially in DI questions. However, excessive reliance can waste time; mental math and approximation are often faster and more efficient.
CAT provides an on-screen basic calculator with functions like addition, subtraction, multiplication, division, and square root. It is minimal and sufficient for basic arithmetic during the exam.
During IIM classroom programs, physical calculators are generally not used. For entrance exams like CAT, only an on-screen calculator is allowed. In coursework, tools vary by program and need.
Each correct answer earns 3 marks, and 1 mark is deducted for every wrong MCQ. No negative marking for non-MCQ (TITA) questions.
Yes, a basic on-screen calculator is provided during the CAT exam. Physical calculators or personal electronic devices are strictly prohibited inside the exam hall as per CAT guidelines.
Hello Aspirant,
Yes, if your caste is listed under Central OBC and you come under the category of Non-Creamy Layer, then you shall be eligible for the OBC-NCL reservation in the CAT exam and IIM admissions, irrespective of its being categorized as OEC in Kerala. Remember to get a valid OBC-NCL certificate obtained as per the format prescribed by the Government of India.
Hey Vijay:)
Thanks for reaching out!
OEC,(Other Eligible Communities) is a state-specific reservation category used in Kerala,and it is not recognised as a separate category in central-level exams like the CAT.
For Central govt exams candidates must choose from the recognised categories: General,SC,ST,OBC-NCL,EWS or PwD.If your community is listed under OEC-SC or OEC-ST in Kerala,you should check whether it falls under SC or ST in the central list and apply accordingly.
Similarly,If your OEC community is in the central OBC list and you meet the non-creamy layer(NCL)rules,you can apply as OBC-NCL, otherwise you need to apply under the general category.
You can verify caste's status in the central list on the National Commission for Backward Classes (NCBC) website.
Hope this clears your doubt!
Hi dear candidate,
The score of your CAT exam is valid for one year from the date of exam.
For example: If your CAT exam was held on 24th November 2024 then your score is valid till 31st December 2025 meaning that you can take admission in the academic year 2025 - 27.
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CAT ( Common Addmission Test ) is for those students who want to study MBA or other post-graduation program in mangement field. Who have Bachelor's degree with minimum 50% recognised university can apply for CAT .final year graduation students are also eligible to apply for CAT exam .
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