Hi every one, far to now and thanks to harry (harry3) I've made to add 1 to a local variable, but I have traied to substract 1 to that Local variable, whit no resultsThe code Used to add is this: (L:DECISION_HEIGHT, feet) 10 + (>L:DECISION_HEIGHT, feet)But i tried to replace the + for a - and the > for a < but it did no work, how can I make it.ThanksHelio Alberto Regalado Moreira

Hi,Try: (L: DECISION_HEIGHT, feet) 10 - (>L: DECISION_HEIGHT, feet)Another way is to use:%((A: DECISION HEIGHT, number))%!3d!for a read out.And Click: (>K:INCREASE_DECISION_HEIGHT) (>K: DECREASE_DECISION_HEIGHT)Jan"Procul Negotiis"