# System Variables [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [Additional Pages](Help%20System/GSTARCAD/2021/System%20Variables/Additional%20Pages/(Additional%20Pages).md) #### Topics in this section - [3D system variables](Help%20System/GSTARCAD/2021/System%20Variables/3D/System%20variable%20with%203D%20letter--fa20bdbdf630.md) - [A system variables](Help%20System/GSTARCAD/2021/System%20Variables/A/System%20variable%20with%20A%20letter--bad6aae64d3c.md) - [B system variables](Help%20System/GSTARCAD/2021/System%20Variables/B/System%20variable%20with%20B%20letter--bd417577d3a8.md) - [C system variables](Help%20System/GSTARCAD/2021/System%20Variables/C/System%20variable%20with%20C%20letter--5abfdcf43f3b.md) - [D system variables](Help%20System/GSTARCAD/2021/System%20Variables/D/System%20variable%20with%20D%20letter--3a30f300224f.md) - [E system variables](Help%20System/GSTARCAD/2021/System%20Variables/E/System%20variable%20with%20E%20letter--35da84a71c38.md) - [F system variables](Help%20System/GSTARCAD/2021/System%20Variables/F/System%20variable%20with%20F%20letter--c03c476f7693.md) - [G system variables](Help%20System/GSTARCAD/2021/System%20Variables/G/System%20variable%20with%20G%20letter--9cb36ccca219.md) - [H system variables](Help%20System/GSTARCAD/2021/System%20Variables/H/System%20variable%20with%20H%20letter--a655fb142408.md) - [I system variables](Help%20System/GSTARCAD/2021/System%20Variables/I/System%20variable%20with%20I%20letter--84f1d89e4d0c.md) - [L system variables](Help%20System/GSTARCAD/2021/System%20Variables/L/System%20variable%20with%20L%20letter--2c04efe1933d.md) - [M system variables](Help%20System/GSTARCAD/2021/System%20Variables/M/System%20variable%20with%20M%20letter--f01f5c216552.md) - [N system variables](Help%20System/GSTARCAD/2021/System%20Variables/N/System%20variable%20with%20N%20letter--6c8d5bc0ea6f.md) - [O system variables](Help%20System/GSTARCAD/2021/System%20Variables/O/System%20variable%20with%20O%20letter--f5a2a9f893d5.md) - [P system variables](Help%20System/GSTARCAD/2021/System%20Variables/P/System%20variable%20with%20P%20letter--07fce70ddfc4.md) - [Q system variables](Help%20System/GSTARCAD/2021/System%20Variables/Q/System%20variable%20with%20Q%20letter--845dfadb689d.md) - [R system variables](Help%20System/GSTARCAD/2021/System%20Variables/R/System%20variable%20with%20R%20letter--8f2dc1cbfe15.md) - [S system variables](Help%20System/GSTARCAD/2021/System%20Variables/S/System%20variable%20with%20S%20letter--0ef770dd65a3.md) - [T system variables](Help%20System/GSTARCAD/2021/System%20Variables/T/System%20variable%20with%20T%20letter--bb6f0458defb.md) - [U system variables](Help%20System/GSTARCAD/2021/System%20Variables/U/System%20variable%20with%20U%20letter--4ebeef50dde6.md) - [V system variables](Help%20System/GSTARCAD/2021/System%20Variables/V/System%20variable%20with%20V%20letter--080ad348c346.md) - [W system variables](Help%20System/GSTARCAD/2021/System%20Variables/W/System%20variable%20with%20W%20letter--d2d98ca99499.md) - [X system variables](Help%20System/GSTARCAD/2021/System%20Variables/X/System%20variable%20with%20X%20letter--7ad675d7894f.md) - [Z system variables](Help%20System/GSTARCAD/2021/System%20Variables/Z/System%20variable%20with%20Z%20letter--af119360c581.md) ---