Extract Scientific calculator plus 991 6.1.9.700 MOD APK Link...

How to install obb/data On Modded Games (root & no-root)

1. Download OBB files or DATA files and extract files zip
2. Move OBB Files (con.xxx folder) to Android/OBB folder in your device
- Or move Data files (com.xxx folder) to Android/data folder in your device
3. Download and Install mod APK
4. Open & Enjoy

Install & Play Scientific calculator plus 991 MOD APK

1. Download Scientific calculator plus 991 on dFast.
2. Go to "Settings" on your Android device.
3. Scroll down to "Security and Privacy" and tick the "Install apps from unknown sources" option.
4. After downloading, tap on the “Install” button.
5. Now you can play Scientific calculator plus 991 in any country!