Calculate Linux
Calculate is a fast and functional user-friendly Linux distribution, based on Gentoo and still backward compatible with it. It maintains an optimal balance between state-of-the-art and stability, providing the latest versions of applications and stable versions of libraries. As Calculate Linux is a rolling-release distribution, you install the system once and update it throughout the life of your hardware.
Features
Calculate Linux provides all the software you need for your daily work. Use the bottom panel to access the main applications.
Calculate Linux can be definitely used on an old computer. You can always optimize your system to match your hardware and to best fit your needs.
Install the system once and update when needed. You can even update from a new image system while still running the current one.
You have the choice between testing and stable updates, depending on whether you need the latest or the more sustainable versions.
Create mixed Linux/Windows networks based on Calculate, using roaming profiles, common accounts and shared network resources.
Spare yourself the trouble of getting used to a window manager you did not use before. Whatever the desktop environment you choose between KDE, Cinnamon, MATE, Xfce, LXQt, it will look and feel familiar.
Low system requirements and installation supported for any shared host or LXC / LXD container make it possible for Calculate to be used even on low performance computers.
Customize your system as you see fit with Calculate Utility tools. Customize the appearances. Test new builds on a multiboot flash drive.