Unity Scope Calculator is the scope for Unity utilities lens that allows you to perform simple mathematical calculations directly from your Ubuntu Unity dash. It aims to provide you with a fast and convenient way to do simple mathematical operations without leaving your desktop.
This scope uses the GCalctool which is the default calculator application installed in Ubuntu. Unity Scope Calculator uses basic mathematical operators such as ‘+’, ‘-’ , ‘/’ , ‘*’ , ‘%’ , ‘pi’ , ‘sin’ ,’cos’ , ‘tan’ etc. The results of the mathematical operations are instantly displayed in the Unity Dash.
To install, open terminal and execute the following commands:
sudo add-apt-repository ppa:scopes-packagers/ppa
sudo apt-get update
sudo apt-get install unity-lens-utilities unity-scope-calculator
Once installation is complete, make sure you log out and get back.