CAT on Screen Calculator: How to use it?
Common Admission Test 2026 ( CAT )
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4 Nov '26 - 29 Nov '26
CAT on screen calculator will be provided to every test taker. However, it is important to know how to use it and have a practice of using it so that no time is wasted in calculations in the CAT 2024 exam. Check here all about CAT exam on screen calculator and how to use it.
CAT exam on screen calculator
'Can we use calculator in CAT Exam?' is a commonly asked question by exam aspirants. The answer to it is YES. In the CAT exam, candidates are provided with an on screen calculator with the help of which they can solve questions in the exam. Use of CAT exam on screen calculator is necessary to solve Quantitative Aptitude and Data Interpretation questions, quickly and accurately.
Although, candidates have the access to CAT exam on screen calculator, many prefer to do mental calculation or rough work on a sheet of paper. Since, different candidates have different preferences, both onscreen calculator and rough sheets are provided in CAT exam.
The CAT exam on screen calculator was introduced in 2015. Before that, the candidates had no access to any tool for calculation. CAT moved online in 2009, before that it was a paper based test. The CAT exam on screen calculator is faster and more convenient than rough work on a sheet of paper. Quantitative Aptitude and Data Interpretation sections of the CAT 2025 will require the use of calculator. To use this facility optimally, CAT exam 2025 aspirants must practice CAT questions by using the on screen calculator.
Also Read:
- How to use CAT exam on screen calculator?
- How to practice CAT on screen calculator?
- Why Use CAT exam on screen calculator?
- Options other than CAT exam on screen calculator
How to use CAT exam on screen calculator?
The onscreen calculator provided in the CAT 2025 exam will operate the same way as any onscreen calculator. Candidates will have to use the computer mouse to do calculations on screen. The numerical figures and mathematical signs will be seen in the calculator window and the result will be displayed onscreen.
Commonly asked questions
Every candidate must carry a blue/black ball point pen and a few copies of their passport size photo to the exam centre. They must not carry any stationary item other than the pen. Candidates who have diabetes can carry fruits as per medical prescription. No other item will be allowed inside the exam venue. Candidates must not carry bags or valuables as there will be no arrangement for depositing while candidates appear for the exam. Candidates must also not carry notebooks or rough paper to the CAT exam centre. Any candidate found with an unauthorised item will be disqualified.
On CAT exam day, candidates have to follow a number of guidelines like cooperating with the exam centre staff during identification process, etc.:
CAT exam day dos:
- Reach examination centre at the reporting time mentioned on your CAT admit card. 2.
- Carry two copies of the CAT admit card, one photo ID card, passport size photos
- PwD candidates should carry relevant certificates and documents.
- Carry a blue/black ball point pen for signing attendance sheet
- Cooperate with test centre staff and follow instructions
- 7. While entering answers, use only computer mouse.
- Do not touch keyboard as doing so will lead to screen locking.
CAT exam day don'ts:
- Do not carry items such as bags, purses, pencil box, beepers, wrist watch, calculators, mobile phones, electronic devices, scanners, cameras, wireless/Bluetooth transmission or any such communication devices.
- Don't wear closed shoes, jewellery made of metal, jackets, clothes with pockets, mehendi on palms. Socks are allowed inside it.
- Don't wear caps, hoodies or jackets/shirts with pockets
- Don't be late for exam. Entry gates will be closed 15 minutes before the commencement of exam.
- No candidate will be allowed to enter the exam centre after that.
- Don't cheat or indulge in mal practice. You can be disqualified due to any such ACT.
- Don't create a ruckus inside the test lab
- Don't leave your seat until the exam duration gets over and the invigilator announces exit.
How to practice CAT on screen calculator?
- The best option to practice CAT exam on screen calculator is mock test. Since the CAT mock tests are a replica of the actual exam, the on screen calculator is present in the mock test too.
- The official CAT mock test and exam day guide, which is released a few days before the CAT exam are also a good option to check how the CAT on screen calculator works and learn to practice it.
Shiksha's Free CAT Mock Tests
| CAT_Mock_Test_1 | CAT_Mock_Test_1_Solutions |
| CAT_Mock_Test_2 | CAT Mock Test_2_Solutions |
Why Use CAT exam on screen calculator?
CAT is an exam of speed and accuracy. There is negative marking too, so you can't take a chance with any question you attempt. You have to ensure that you know the correct answer. Manual calculation on rough sheet is time taking and there is a chance of miscalculation due to the stress of difficulty level and time running out. In such a scenario, a calculator is more reliable. You can calculate faster and save a lot of time.
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Options other than CAT exam on screen calculator
Vedic Maths: If you are well versed with Vedic Maths, it’ll be easier to make simple calculation faster than the calculator. Knowing the short cuts and tricks related to important Quant formulas will save the time of typing numbers and symbols in the CAT on screen calculator.
Puzzles and Mind Games: Practice several types of Mathematical puzzles and mind games to develop quick calculation abilities. Alongside, memorise table up to 20, square and square roots, cube and cube roots, so that you don’t need to spend time on doing simple multiplication and division in the CAT 2025 exam.
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Student Forum
Anything you would want to ask experts?Answered 16 hours ago
IIM Indore will release CAT admit card 2026 on November 4. Candidates will be able to download the admit card of CAT exam 2026 until the exam date, i.e. November 29.
R
Contributor-Level 7
Answered 16 hours ago
Candidates can edit the following details during the CAT form correction process:
- Photograph uploaded
- Signature uploaded
- Test city preferences
Personal details like name, date of birth, gender, nationality, or any other information, besides those above mentioned, cannot be changed using CAT correction w
N
Contributor-Level 7
Answered 16 hours ago
CAT application form correction window is facilited for candidates to edit a few details. IIM Indore opens CAT form correction window inside login dashboard on the official website. Candidates have to login to change details during the form correction period (ranging from 2-3 days). There is no proc
D
Contributor-Level 7
Answered Yesterday
Yes there are ways to improve a CAT score if the result is not as expected. The main thing is to first check which section needs more attention and then work on accuracy time management and question selection. Regular mock tests can help identify repeated mistakes. For students considering LPU its i
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Beginner-Level 1
Answered 3 days ago
You cannot see a score or result for the practice mock test taken on the official CAT website because the official IIM mock portal is only designed to familiarize you with the exam interface and structure and it does not generate or save scores.
S
Contributor-Level 10
Answered 3 days ago
Yes 75 percent attendance is mandatory at RKDF University Ranchi. As per the official university guidelines and UGC norms students are expected to maintain regular attendance to remain eligible for mid semester and end semester examinations.
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Answered a week ago
To choose the best CAT coaching institute in Siliguri, evaluate centers based on faculty expertise, mock test quality, batch flexibility, and physical location convenience.
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Contributor-Level 10
Answered 2 weeks ago
As of September 2026, IIM Indore has not announced the CAT form correction dates. Past trends indicate that the application form correction window opens a few weeks after the registration window is closed.
Check: CAT Correction Window 2026
B
Contributor-Level 7
Answered 2 weeks ago
Yes, candidates are facilitated with a window to edit exam form once the CAT registration concludes. However, candidates will only be able to edit photo, signature, and test city preference using CAT correction window. IIM Indore will announce the dates for CAT form correction window once the regist
J
Contributor-Level 7
Answered 2 weeks ago
IIM Indore has not announced the last date extension for CAT 2026 yet. However, past trends indicate CAT registration extends by a few days. If CAT 2026 registration is extended, candidates will find an update on the official website.
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Contributor-Level 7
Vipra Shrivastava is MA in English Literature from Delhi University with extensive experience in content writing of over 14 years. She has been handling content for Management, Accounting and Commerce streams for 8
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