To turn off backup permanently, follow these steps:

Step 1: Open Google Drive
On your desktop, open Google Drive using the same Google account you used for backup.

Step 2: Access Settings
In Google Drive, click on the settings icon located in the top right corner of the screen.

Step 3: Manage Apps
In the settings menu, select “Manage Apps.”

Step 4: Locate the App
In the “Manage Apps” section, find the app named “Calculator Pro+.” Click on the options button next to the app name.

Step 5: Disconnect the App
Click on “Disconnect App.” This will stop the backup until you configure it again with the app.

Note
After stopping the backup, your data will not be recoverable if you change your device or encounter any issues.