# TSTACKSIZE System Variable [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [T](Help%20System/GSTARCAD/2022/System%20Variables/T/(T).md) **Function Description:** The TSTACKSIZE system variable is used to control the height of fraction of stack text relative to the current height percentage of selected text. | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | 70 | | Range | 25 \~ 125 | ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/T/TSTACKSIZE%20System%20Variable--41fac443bf00.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/T/TSTACKSIZE%20System%20Variable--41fac443bf00.md) · [GstarCAD 2018](../../../2018/System%20Variables/T/TSTACKSIZE%20System%20Variable--41fac443bf00.md) · [GstarCAD 2019](../../../2019/System%20Variables/T/TSTACKSIZE%20System%20Variable--41fac443bf00.md) · [GstarCAD 2020](../../../2020/System%20Variables/T/TSTACKSIZE%20System%20Variable--41fac443bf00.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/T/TSTACKSIZE%20System%20Variable--41fac443bf00.md)