Download My First Calculator. Step by Step calculator APK v2.1

Instructions for installing My First Calculator. Step by Step calculator

Click on the saved APK file My First Calculator. Step by Step calculator. You may experience a problem that does not allow installation.
By default, Android phones do not allow the installation of APKs from Unknown Sources (Unknown Sources), please do the following:
-> Open the downloaded My First Calculator. Step by Step calculator .apk file. You will see a warning message as shown:



-> Click Settings (Settings).
-> Click the Turn button (Turn on).
-> Go back and select the downloaded APK file. Click the Install button (Install).

Instruction to install OBB file

+ Please download the APK file of My First Calculator. Step by Step calculator first.
+ Then copy the APK file to your device's SD card and Install it. (Don't open it after installing)
+ Next, download the Obb file and copy the * .obb file named '' to the required location:
/ SDCARD / Android / obb / com.mislanet.t800.calculadora /
-> The full / absolute path of the obb file will look like this (Remember case sensitive):
If you don't have such a folder, create it manually on your SD card.