Its been a while but I like them, you can have sub screens using the option to call another screen [0-100] -> screen 0-100
**WALLW
[AutoCAD]^C^C^P$S=X $S=S
[--]
[SELECT]
[WALL]
[WIDTH]
[------]
[ 50mm]50
[ 60mm]60
[ 70mm]70
[ 80mm]80
[ 90mm]90
[ 100mm]100
[ 110mm]110
[ 150mm]150
[ 200mm]200
[ 230mm]230
[ 250mm]250
[ 300mm]300
In your menu or lisp when asked for say getreal do this first.
(menucmd "s=wallw")