Calculator on Xiaomi phone: how to configure, replace or remove

The calculator on Xiaomi smartphones is one of those standard applications that often go unnoticed until you need to count something quickly, but even such a simple tool can raise questions: where to find it, how to return it to the screen, why it disappeared after an update or how to replace it with a more functional counterpart. In this article, we will analyze all the nuances of working with a calculator on Redmi, POCO and other devices running MIUI, from basic settings to solving typical problems.

It is important to understand that the functionality of the calculator depends on the firmware version. For example, MIUI 14 introduced an advanced mode with support for graphs and computation history, whereas in older versions (before MIUI 12) only basic arithmetic operations are available. We will look at universal solutions that are relevant for most models, from the Redmi Note 10 to the flagship Xiaomi 13 Ultra.

Where to find a standard calculator on Xiaomi

By default, the Calculator app is pre-installed on all Xiaomi smartphones, but its icon can be hidden or removed from the home screen.

• 🔍 Search System: Swipe your finger down the main screen to open the search bar and type "Calculator" and the system will show the app even if it is hidden in the Tools folder».
• 📂 Tools folder: On some models (e.g, POCO X3 or Redmi 9A) Calculator is placed in a folder with other utilities - look for it on the desktop.
• ⚙️ All Apps menu: Click on the All Apps icon (usually in the dock panel at the bottom of the screen) and scroll through the list to the Tools or Utilities section».

If the calculator is not on the list, it may have been disabled to return it:

1. Go to Settings → Applications → Application Management.
2. Slip on three dots in the top right corner and select "Show all apps."
3. Find the “Calculator” in the list, click on it and select “Enable”.

How to add a calculator to the main screen or to the quick access panel

To speed up access to the calculator, it can be fixed on the home screen or in the notification panel (on some models).

1. Add to the home screen: Open the menu of all applications (swipe up from the dock panel). Find the icon "Calculator" and hold it with your finger for 1-2 seconds. Drag it to a vacant place on the home screen or in the dock.
2. Add to the Quick Access Bar (not available on all models): Swipe down from the top edge of the screen to open the notification bar «⚙️» (panelling) → «Find the Calculator widget and drag it to the active area.

On POCO F3 and other MIUI devices for POCO, the path may be slightly different: instead of the standard app menu, use Launcher Settings → App Drawer → Sort Apps to find the calculator.

Check the version of MIUI (Settings → About the phone)

Update the firmware to the latest version (if available)

Clear the cache of the Calculator application (Settings → Applications → Calculator → Storage)

Backup important notes (if you use your computation history)-->

Customization of the appearance and functions of the calculator

The standard Xiaomi calculator supports several modes of operation and visual themes.

1. Open the Calculator app.
2. Put it on the icon «⋮» (three points) in upper right corner.
3. Select Settings (or History & Settings in English versions).

The following options are available in the settings menu:

On devices with MIUI 14 Global and newer in science mode, feature graphs are available — hold your finger on the "=" button to open the graphics editor, a feature that is particularly useful for students and engineers.

⚠️ Note: Some models (e.g. Redmi) A1 With lightweight firmware, there may be no science mode, in which case, consider alternative apps from Google Play.

How to replace a standard calculator with a third-party calculator

If the functionality of the built-in calculator is not enough, you can turn it off and install an alternative.

• 📊 Google Calculator – Minimalist design with support for history and currency converter.
• 🧮 CalcES – a scientific calculator with support for matrices and complex numbers (ideal for technical specialties).
• 💰 Financial Calculator – a specialized tool for calculating loans, investments and taxes.
• 📱 HiPER Scientific Calculator – more than 100 features, including programming and statistics.

To replace the standard application:

1. Install the selected calculator from Google Play.
2. Open Settings → Applications → Application Management → Calculator.
3. Click “Disable” (the system application will not be deleted, but will disappear from the menu).
4. Add the new calculator shortcut to the home screen.

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If after disabling the standard calculator, some system functions (for example, the currency converter in the browser) stopped working, turn it back on in the application settings.

Solving problems with the calculator on Xiaomi

Users often face several typical problems:

1.The calculator does not open or fly out

Causes and solutions:

• 🔄 Cache Clearing: Go to Settings → Annexes → Calculator → Warehouse → Clear the cache.
• 📥 Update MIUI: Check for updates in Settings → The phone. → Updating the system.
• 🛠️ Resetting: From the Calculator app menu, select Reset Settings (available in MIUI 13+).

2. No scientific regime

If there is no option:

• 🔍 Check the version. MIUI: The scientific regime has only been established in MIUI 14 for most models.
• 🌍 Change the firmware region: some features are only available in global (Global) or Chinese (China) versions.
• 📲 Install an alternative calculator (see section above).

3. The history of computing has disappeared

The story can be reset after:

• Cleansing the application data (including cache).
• MIUI updates (in this case, history is not restored).
• Reset the phone to factory settings.

⚠️ Note: Xiaomi with lightweight firmware (for example, Redmi Go or POCO C-series) computing history may not be saved due to memory limitations, in which case use third-party cloud-backup applications.

Hidden Calculator Functions on Xiaomi

Many users don’t know that Xiaomi’s standard calculator has more than just adding numbers.

• 💱 Currency Converter: Enter the amount, then hold your finger on the result – the conversion option will appear (you need an Internet connection).
• 📏 Unit converter: Similar to currencies, but for weight, length, temperature, etc. Available in MIUI 13+.
• 📈 Functional schedules: In scientific mode (MIUI 14) enter a function (e.g. sin(x)) and hold «=», plot.
• 🔢 Random Number Generator: Enter rand() and press «=» — You get a random number from 0 to 1.

On the POCO F4 GT and other gamers devices, there is a hidden “Game Boost” mode in the calculator – type game+ and press “=” to open the performance optimization panel.

Xiaomi Calculator for Business and Study

Standard calculator is suitable for household calculations, but for specific tasks it is better to use specialized tools:

It's good for students to know that MIUI 14 adds support for LaTeX formulas in a scientific mode, for example, you can type in expressions like \frac{1}{x} or \sqrt[3]{8} and the calculator will process them correctly.

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If you need advanced math features but don’t want to install third-party apps, try using Google Lens to scan formulas from textbooks – it will automatically suggest a solution.

FAQ: Frequent questions about the calculator on Xiaomi