Folks, Could any of you explain me why the two following commands give different results ? It's mere curiosity, for my personal edification. [(m-5)/10 for m in arange(1,10)] [0, 0, 0, 0, 0, 0, 0, 0, 0] [(m-5)/10 for m in range(1,10)] [-1, -1, -1, -1, 0, 0, 0, 0, 0]