Math Keyboard
4.8 18
v1.7.40 by Fairbird Innovation
About Math Keyboard
Math Keyboard (Package Name: com.fairbird.math_keyboard) is developed by Fairbird Innovation and the latest version of Math Keyboard 1.7.40 was updated on April 7, 2026. Math Keyboard is in the category of Tools. You can check all apps from the developer of Math Keyboard. Currently this app is for free. This app can be downloaded on Android 6.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
Keys are divided into different key-groups. The Criteri-R key-group targets the Criteri-R app. The User key-group allows users to define their desired key texts like macros. Alphabets and General punctuations and symbols are added for normal inputs.
Besides the common math input keys, on the keyboard there are a number of mutable keys whose contents can be changed to map to any keys in the selected key-group. Users can define as many keys as they need in the User key-group. In this way, Math Keyboard can be used to serve Criteri-R as well as other apps, e.g. Excel, WolframAlpha, etc.
Superscript and subscript counterparts, if available for a character, can be attained through the Shift key.
Through in-app purchase, more characters become available: arithmetical, Greek, arrows, brackets, mathematical, accounting, calculus, logical, set theory and multi-line characters. They will all be displayed on your device before you agree the purchase.
Remember to enable and select Math Keyboard in System Settings after installing.
Besides the common math input keys, on the keyboard there are a number of mutable keys whose contents can be changed to map to any keys in the selected key-group. Users can define as many keys as they need in the User key-group. In this way, Math Keyboard can be used to serve Criteri-R as well as other apps, e.g. Excel, WolframAlpha, etc.
Superscript and subscript counterparts, if available for a character, can be attained through the Shift key.
Through in-app purchase, more characters become available: arithmetical, Greek, arrows, brackets, mathematical, accounting, calculus, logical, set theory and multi-line characters. They will all be displayed on your device before you agree the purchase.
Remember to enable and select Math Keyboard in System Settings after installing.
Math Keyboard 1.7.40 Update
Adapt to the usage of gesture navigation mode.Alphabets layout may be qwerty.
Read More
Math Keyboard Features
Previous Versions
More
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: cc05f6a4f4882ac78db0f44cf96b6553ca2d51ab
Size: 28.55 MB
What's New:
Adapt to the usage of gesture navigation mode.
Alphabets layout may be qwerty.
Alphabets layout may be qwerty.
Variant
Arch
Version
DPI
39
April 2, 2026
Math Keyboard
1.7.39
(39)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 7d13914b1f5ebeda305754833821378049aa2783
Base APK: com.fairbird.math_keyboard.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 28.67 MB
What's New:
Adapt to the usage of gesture navigation mode.
Alphabets layout may be qwerty.
Alphabets layout may be qwerty.
arm64-v8a
Android 6.0+
160-640dpi
39
April 2, 2026
Math Keyboard
1.7.39
(39)
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: bed658bd5cdbc8fd8f4201f26ea654fa108a12ba
Base APK: com.fairbird.math_keyboard.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xhdpi, config.zh
Size: 28.6 MB
What's New:
Adapt to the usage of gesture navigation mode.
Alphabets layout may be qwerty.
Alphabets layout may be qwerty.
armeabi-v7a
Android 6.0+
160-640dpi
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 7af31095e002aeef7a2577e5ebf40b822b0c8765
Size: 30.17 MB
What's New:
Rebuilt with package updates.
Variant
Arch
Version
DPI
36
May 14, 2025
Math Keyboard
1.7.36
(36)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: abb9370bb145dff2572b6c812062625ef4a449d0
Base APK: com.fairbird.math_keyboard.apk
Split APKs: config.arm64_v8a, config.en, config.fr, config.mdpi
Size: 40.84 MB
What's New:
Rebuilt with package updates.
arm64-v8a
Android 6.0+
160-640dpi
36
May 14, 2025
Math Keyboard
1.7.36
(36)
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 9794bc2933a7800ab8bbc81f6c8ba945496f61c6
Base APK: com.fairbird.math_keyboard.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xhdpi, config.zh
Size: 29.92 MB
What's New:
Rebuilt with package updates.
armeabi-v7a
Android 6.0+
160-640dpi
36
May 15, 2025
Math Keyboard
1.7.36
(36)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: d7a12d899cc3574761767cec442cfdfa0c923d84
Base APK: com.fairbird.math_keyboard.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxxhdpi, config.zh
Size: 41.48 MB
What's New:
Rebuilt with package updates.
arm64-v8a
Android 6.0+
160-640dpi
36
July 16, 2025
Math Keyboard
1.7.36
(36)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: d83496106199b3bc75daacec3c82d17dab11fd14
Base APK: com.fairbird.math_keyboard.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xhdpi, config.zh
Size: 29.78 MB
What's New:
Rebuilt with package updates.
arm64-v8a
Android 6.0+
160-640dpi
More Information
Package Name:
Update Date:
2026-04-07
Latest Version:
1.7.40
Need Update:
Available on:
Requirements:
Android 6.0+
Report:
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