Lamps in regulation
Enter your multi-variable expression to set the Rule for the lamps to go on or off.
White squares are lighted lamps,and you can click any square to switch it on or off.Click Reset to get a random pack.
As is shown at the top,{a,b,c,d,o,f,g,h,j} is a list of variables presenting the status of each lamp,1 for on,0 for off.If Rule>0,the lamp indicated goes on,otherwise it goes off.
To start,press "Go".To get a random pack,press "Reset". "Record" stores the present stage,while "Recover" put it back.
Lamps can be moved by using green arrows.