# E [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) ## Topics - [EDGEMODE System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EDGEMODE%20System%20Variable.md) - [ELEVATION System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/ELEVATION%20System%20Variable.md) - [ENTERPRISEMENU System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/ENTERPRISEMENU%20System%20Variable.md) - [ERHIGHLIGHT System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/ERHIGHLIGHT%20System%20Variable.md) - [ERRNO System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/ERRNO%20System%20Variable.md) - [ERSTATE System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/ERSTATE%20System%20Variable.md) - [EXPERT System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXPERT%20System%20Variable.md) - [EXPLMODE System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXPLMODE%20System%20Variable.md) - [EXPORTEPLOTFORMAT System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXPORTEPLOTFORMAT%20System%20Variable.md) - [EXPORTMODELSPACE System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXPORTMODELSPACE%20System%20Variable.md) - [EXPORTPAGESETUP System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXPORTPAGESETUP%20System%20Variable.md) - [EXPORTPAPERSPACE System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXPORTPAPERSPACE%20System%20Variable.md) - [EXTMAX System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXTMAX%20System%20Variable.md) - [EXTMIN System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXTMIN%20System%20Variable.md) - [EXTNAMES System Variable](Help%20System/GSTARCAD/2021/System%20Variables/E/EXTNAMES%20System%20Variable.md) - [System variable with E letter](Help%20System/GSTARCAD/2021/System%20Variables/E/System%20variable%20with%20E%20letter.md)