@Mic My that means was "unused" = "unused at any time In this particular workbook", I do think this is well as crystal clear as using "unassigned" which I'd interpret a similar... but I get your place. Most computational deals providing scientific operation use NumPy’s array objects as the lingua https://trangchshbet80257.therainblog.com/28316064/a-review-of-shbet-đăng-nhập