Calculator 991

Calculator 991 v7.2.3.694 MOD APK (Premium Unlocked)

Calculator 991 Mod APK – Students and engineers use scientific calculator 300 plus, 991. Real calculator 991 300 has extensive functions in calculator 991 plus. It makes advanced calculator 991 the best university/school calculator.

App Name Calculator 991
Size 26M
Latest Version
MOD Info Premium Unlocked
Get it On Google Play
4/5 (29 votes)
Download (26M)

Scientific calculator plus 991 is an extremely convenient pocket calculator emulator with full features of all common calculators. With this useful tool, users will be able to perform difficult math problems that require the assistance of a computer. Besides, you don’t need to buy a separate pocket computer because now you can use them right on your phone device.


Scientific calculator plus 991 is set up with an interface system similar in design to current popular calculators such as 300 Plus and 115 Plus. The interface is designed to be exactly the same in every detail and from the results screen to the numbers and functions available on that calculator. Thanks to that, in the process of using the application, users will have the same feeling as using a real pocket computer. Now just bring your smartphone device with this application installed and you will be able to perform difficult maths in a simple way. In addition, you can also switch the interface to use different types of calculators such as basic, advanced and even scientific calculators with advanced functions and calculations with greater difficulty.

Scientific calculator plus 991 Scientific calculator plus 991


With an interface exactly like pocket calculators, this versatile calculator will allow the user to utilize all the features that the calculator has to offer. First, enter the numbers on the keyboard so that they appear on the screen, then perform any calculation you want like addition, subtraction, multiplication, division, percentage and more. Moreover, the application also provides you with advanced math operations like square root, square, Log and many other math operations and smart functions. After doing the calculation, you need to press the equal sign on the screen to get the result displayed on the screen. Besides, features such as saving results, performing consecutive calculations will also help you complete problems quickly and conveniently.


Through the useful features and advanced calculations of this application you will be able to solve complex math problems. If you don’t carry a calculator, solving math problems like quadratic equations, quadratic equations or many other problems will be extremely difficult and time consuming. But as long as this application is on your phone device, you will be able to perform them extremely simply and quickly than ever before. Scientific calculator plus 991 gives users the features to solve equations, find the maximum and minimum values. Besides, you also experience many other useful tools to be able to complete complex math questions and exercises well. Complicated math is no longer a problem because this smart application has appeared to solve all problems.

Scientific calculator plus 991 Scientific calculator plus 991 Scientific calculator plus 991


After performing the calculations and getting the results, depending on what operations you used before, the result will not be an integer. So to see more accurate results, users can use the change result feature on the application’s interface. This feature will allow you to view your answers in different formats such as decimal, fraction, DMS and Polar. Each display will represent the calculated answer in different forms so you can use them for your purposes. In addition, when performing equation solutions, users can view extremely accurate coordinate axes charts. As a result, you will be able to solve difficult problems related to graphs of each type of equation as easily and quickly as possible.

Calculator 991 v7.2.3.694 MOD APK (Premium Unlocked) Download

Download (26M)

You are now ready to download Calculator 991 for free. Here are some notes:

  • To prevent users from installing apk files from outside, Google Play has now added a warning when installing apks & mods. PlayProtect will tell you the file is harmful. Simply, just click “Install anyway (unsafe)”.

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