I had trouble with the Charter suite. May have just been me or a bad install or something, but it didn't work well and it was a nightmare to get rid of. I had to download a handful of files from their support site and run them to get rid of it completely. I couldn't even remove them in safe mode.
Change the world. Of one person. Today.
If your equation requires either a complex combination of variables to get the desired result OR you can't seem to get the result regardless of the variables....it ain't your variables, it's your constant.