This is a soft keyboard that is convenient for writing mathematical questions and expressions, etc.
Numbers, symbols, all alphabets, Greek letters and superscripts can be entered without conversion.
You can enter digits from 0 to 9, all alphabets Greek letter "α,β,γ,δ,θ,λ,μ,π,ρ,σ,φ,ω", superscripts "⁰,¹,²,³,⁴,⁵,⁶,⁷,⁸,⁹,⁺,⁻,⁼,⁽,⁾,ⁿ" and mathematical symbols "!?√#|%$\°'"^:;∠⊥△∴∞∽∫&+±-~*×/÷=≠≒≡≧({[)}].,".
If you press the key of the symbol continuously, it switches to a different symbol.
If you press the key of the alphabet and Greek letters continuously, it switches from lowercase letters to uppercase letters.
The alphabet is a QWERTY array.

Please be aware that superscript may not be saved properly depending on the character code of the text file to be entered.
If it is UTF-8 of the standard character code of Android OS it can be saved correctly.
There is a possibility of garbled characters when saving with the standard character code of Windows PC.



Enabling Keyboards

01
Go to Settings > System > Languages & input > and tap Virtual keyboard in the Keyboard & inputs section.

02
You'll see a list of each keyboard you've installed.
Tap "Manage keyboards".

03
Toggle on the new keyboard.
You might see a warning that this input method may collect the text you type including personal information.
But this app does not collect any input content.
This is not a warning specific to this application, it will always be displayed if you select a character input application other than the keyboard that is standard on the device.
If you're satisfied with the explanation, tap OK.


Note: Instructions will vary depending on your Android OS.



Switching Keyboards

01
Launch the app you want to type in.

02
Tap to bring up the keyboard.

03
Tap the keyboard icon on the bottom right.
(On some devices this icon isn't present, in that case pull down the notification bar when a keyboard is active.)

04
Choose the keyboard from the list that pops up.

// Option A // q4a1w

To Mathematical keyboard F mod from happymod.freeflix.info.
You need enable the option "Unknown Sources".
1. Click on the above link to Mathematical keyboard F mod APK.
2. Save the file in your device s folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B // 55m4l

To Mathematical keyboard F from HappyMod APP, you can follow this:
1. Open your browser and the HappyMod APK file from happymod.freeflix.info - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android s and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Mathematical keyboard F in HappyMod App.

Why does the app say I have no internet connection? x3b7

This issue may occur due to temporary server problems or app glitches. Ensure your device is connected to a stable internet connection.

What should I do if the app is lagging? 534r2y

Lagging can be caused by insufficient device resources. Try closing other apps or restarting your device to improve performance.

Why can't I effects? 3i5464

ing effects may fail due to network issues or server problems. Check your internet connection and try again later.

How can I fix the network issue while using a VPN? 6j254o

Sometimes, VPNs can interfere with app connectivity. Try disconnecting the VPN and see if the app works without it.

What can I do if the app keeps crashing? 5m6h5p

If the app crashes frequently, consider clearing the app cache or reinstalling it to resolve potential bugs.

Why can't I access AI modes in the app? x1s2g

AI modes may require a stable internet connection. Ensure your connection is strong and try again.

If AI modes are not accessible, it could be due to server issues or your internet connection. Check if other apps are working properly. If they are, the issue might be with the app itself.

Steps to resolve:
1. Check your internet connection by opening a web browser.
2. Restart your device to refresh the network settings.
3. Open the app again and try accessing the AI modes.

What should I do if the app is not ing templates? 31692a

If templates are not ing, it may be due to a poor internet connection or server issues. Check your connection and try again later.

Why does the app keep saying 'no internet' even with a connection? n472j

This could be a bug in the app or a temporary server issue. Restarting the app or your device may help resolve this.

Persistent 'no internet' messages can indicate a problem with the app's ability to connect to its servers. Restarting can refresh the app's connection attempt.

Steps to resolve:
1. Close the app completely.
2. Restart your device.
3. Reopen the app and check the connection.

Why does the app crash when importing 4K videos? 5cf6t

The app may crash due to high resource demands when handling 4K videos. Try using lower resolution files for smoother editing.

4K videos require more processing power and memory. If your device is not equipped to handle such high-resolution files, it may lead to crashes.

What should I do if I keep getting network errors? 2t5n3j

Network errors can occur due to unstable internet connections. Try switching to a different network or resetting your router.

Network issues can disrupt the app's functionality. A stable connection is essential for smooth operation, especially when using online features.