straight staircase (plan) - command description

To draw straight stair:
1. Specify story height
2. Specify insert point
3. Specify staircase width
4. Specify staircase length
5. Select proper stair from dialogue box

Command depends on setting right units in APLUS. To do so, use command:
aum - millimetres
aucm - millimetres
aumm - millimetres