This is a simple calculator written in dart language and the flutter framework. It has only the basic functionality but is working. I made it to learn the basics of the flutter framework. You can read the code in the github repo:
For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for snapd.
Alternatively, snapd can be installed from the command line:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
Install Flutter Calculator
To install Flutter Calculator, simply use the following command: