用於距離和角度的指令

Commands

AREA (指令)
DIST (指令)
ID (指令)
LIST (指令)
MASSPROP (指令)
MEASUREGEOM (指令)
PROPERTIES (指令)
QUICKCALC (指令)
UNITS (指令)

System Variables

AREA (系統變數)
DISTANCE (系統變數)
PERIMETER (系統變數)