# DIMALTU System Variable [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2020/System%20Variables/D/(D).md) **Function Description:** The DIMALTU system variable is used to set unit formats for alternate units of all dimension sub styles(except angular dimension). | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | 2 | | Range | 1 \~ 8 | **System Variable Value:** **1:** scientific **2:** decimal **3:** engineering **4:** architectural(stacked) **5:** grade (stacked) **6:** architectural **7:** fractional **8:** Microsoft Windows desktop (decimal format using control panel settings for decimal separator and number grouping symbols) --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/D/DIMALTU%20System%20Variable--b68c5ee3d8f5.md) · [GstarCAD 2017](../../../2017/System%20Variables/D/DIMALTU%20System%20Variable--b68c5ee3d8f5.md) · [GstarCAD 2018](../../../2018/System%20Variables/D/DIMALTU%20System%20Variable--b68c5ee3d8f5.md) · [GstarCAD 2019](../../../2019/System%20Variables/D/DIMALTU%20System%20Variable--b68c5ee3d8f5.md) · [GstarCAD 2021](../../../2021/System%20Variables/D/DIMALTU%20System%20Variable--b68c5ee3d8f5.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/D/DIMALTU%20System%20Variable--b68c5ee3d8f5.md)