# J Command [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [Commands](Help%20System/GSTARCAD/2021/Commands/(Commands).md) → [J](Help%20System/GSTARCAD/2021/Commands/J/(J).md) - [KLL01](Help%20System/GSTARCAD/2021/Commands/K/Statistics%20Summation.md) ---