I have been tweaking the interface of the windows based mix calculator to make it slightly more user friendly and easier to use for beginners without a whole lot of instructions. The result of that effort is version 17, which you can download from the Mix Calculator page, linked on the right hand side. Web version: If you are using a computer with a different OS, feel free to use the web based mix calculator on that page that doesn't require you to download anything. It even works on mobile operating systems like Android, iOS etc. so you can use it from anywhere. Ofcourse the web version is a slightly simplified version and doesn't have as many options for inputting data as the full Windows version but it should give you identical mixing results. There is no limit to how many components you can have for your mix in any version of this program. And as always it is free for you to download and share. Cheers! A note for European users: Please use a decimal instead of c...