Fri, 01 Apr 2016 16:58:52 -0700 Pierre-Yves David stack: change the ascii symbold for base
Fri, 01 Apr 2016 16:57:11 -0700 Pierre-Yves David stack: reverse the display order
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 tip