Robin> when I see Robin> / Robin> | y>3: 0 Robin> x = | Robin> | y<=3: 2 Robin> \ Robin> in a math text I don't have a great deal of trouble with it despite Robin> being an engineer :) I'm more used to seeing / | 0: y>3 x = | | 2: otherwise \ -- Andrew Koenig, ark at research.att.com, http://www.research.att.com/info/ark