FAQ: How to set the wallpaper / background image?

Tap "Options" in the top Left Corner in CALC, then go to Themes and select "Custom Theme" from the list.

You'll be presented with the following screen where by tapping on "IMG" you can select (and scale) your own background image to your liking:



* The slide bar on the bottom left controls the level of transparency of the selected image in respect to the text & background color selections from above.
* The switch will disable the background image all together.

Related:

Feedback and Knowledge Base