FAQ - Asparion Calculator
You can download it from the Windows Store. Just search for Asparion Calculator.
Yes you can. You need to hit the key R.
Yes, you can.
You can scroll the calculation via touch or with your mousewheel.
Windows handles this. If you do not have any other application installed which allows you to share content, it is not possible to share a calculation.
Rightclick on the tile (1) and choose "Uninstall" (2):