Correlation (Pearson, Kendall, Spearman) Correlation is a bivariate analysis that measures the strengths of association between two variables. In statistics, the value of the correlation coefficient varies between +1 and -1.
Clearly designed as a tribute to the early Zelda games, Hero's Arms is one of the most accessible Flash RPGs out there. Explore the beautiful forests of this mythical game world, fighting enemies, solving quests, emptying dungeons and levelling up as you go. Fantastic fun. Play Hero's Arms here.
Free - $59. IcoMoon is a set of open source icons. But more importantly, IcoMoon is a web app for customizing and downloading optimized icon fonts. You choose just the icons you want and download that minimized set. You can easily add font from different sets or add icons from SVG files via simple drag-and-drop.