# System variable with C letter [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [C](Help%20System/GSTARCAD/2020/System%20Variables/C/(C).md) - [CANNOSCALE](Help%20System/GSTARCAD/2020/System%20Variables/C/CANNOSCALE%20System%20Variable.md "CANNOSCALE") - [CANNOSCALEVALUE](Help%20System/GSTARCAD/2020/System%20Variables/C/CANNOSCALEVALUE%20System%20Variable.md "CANNOSCALEVALUE") - [CDATE](Help%20System/GSTARCAD/2020/System%20Variables/C/CDATE%20System%20Variable.md "CDATE") - [CECOLOR](Help%20System/GSTARCAD/2020/System%20Variables/C/CECOLOR%20System%20Variable.md "CECOLOR") - [CELTSCALE](Help%20System/GSTARCAD/2020/System%20Variables/C/CELTSCALE%20System%20Variable.md "CELTSCALE") - [CELTYPE](Help%20System/GSTARCAD/2020/System%20Variables/C/CELTYPE%20System%20Variable.md "CELTYPE") - [CELWEIGHT](Help%20System/GSTARCAD/2020/System%20Variables/C/CELWEIGHT%20System%20Variable.md "CELWEIGHT") - [CENTERMT](Help%20System/GSTARCAD/2020/System%20Variables/C/CENTERMT%20System%20Variable.md "CENTERMT") - [CHAMFERA](Help%20System/GSTARCAD/2020/System%20Variables/C/CHAMFERA%20System%20Variable.md "CHAMFERA") - [CHAMFERB](Help%20System/GSTARCAD/2020/System%20Variables/C/CHAMFERB%20System%20Variable.md "CHAMFERB") - [CHAMFERC](Help%20System/GSTARCAD/2020/System%20Variables/C/CHAMFERC%20System%20Variable.md "CHAMFERC") - [CHAMFERD](Help%20System/GSTARCAD/2020/System%20Variables/C/CHAMFERD%20System%20Variable.md "CHAMFERD") - [CHAMMODE](Help%20System/GSTARCAD/2020/System%20Variables/C/CHAMMODE%20System%20Variable.md "CHAMMODE") - [CIRCLERAD](Help%20System/GSTARCAD/2020/System%20Variables/C/CIRCLERAD%20System%20Variable.md "CIRCLERAD") - [CLAYER](Help%20System/GSTARCAD/2020/System%20Variables/C/CLAYER%20System%20Variable.md "CLAYER") - [CLEANSCREENSTATE](Help%20System/GSTARCAD/2020/System%20Variables/C/CLEANSCREENSTATE%20System%20Variable.md "CLEANSCREENSTATE") - [CLISTATE](Help%20System/GSTARCAD/2020/System%20Variables/C/CLISTATE%20System%20Variable.md "CLISTATE") - [CMATERIAL](Help%20System/GSTARCAD/2020/System%20Variables/C/CMATERIAL%20System%20Variable.md "CMATERIAL") - [CMDACTIVE](Help%20System/GSTARCAD/2020/System%20Variables/C/CMDACTIVE.md "CMDACTIVE") - [CMDDIA](Help%20System/GSTARCAD/2020/System%20Variables/C/CMDDIA%20System%20Variable.md "CMDDIA") - [CMDECHO](Help%20System/GSTARCAD/2020/System%20Variables/C/CMDECHO%20System%20Variable.md "CMDECHO") - [CMDINPUTHISTORYMAX](Help%20System/GSTARCAD/2020/System%20Variables/C/CMDINPUTHISTORYMAX%20System%20Variable.md "CMDINPUTHISTORYMAX") - [CMDNAMES](Help%20System/GSTARCAD/2020/System%20Variables/C/CMDNAMES%20System%20Variable.md "CMDNAMES ") - [CMLEADERSTYLE](Help%20System/GSTARCAD/2020/System%20Variables/C/CMLEADERSTYLE%20System%20Variable.md "CMLEADERSTYLE") - [CMLJUST](Help%20System/GSTARCAD/2020/System%20Variables/C/CMLJUST%20System%20Variable.md "CMLJUST") - [CMLSCALE](Help%20System/GSTARCAD/2020/System%20Variables/C/CMLSCALE%20System%20Variable.md "CMLSCALE") - [CMLSTYLE](Help%20System/GSTARCAD/2020/System%20Variables/C/CMLSTYLE%20System%20Variable.md "CMLSTYLE") - [COMPASS](Help%20System/GSTARCAD/2020/System%20Variables/C/COMPASS%20System%20Variable.md "COMPASS") - [COORDS](Help%20System/GSTARCAD/2020/System%20Variables/C/COORDS%20System%20Variable.md "COORDS") - [COPYMODE](Help%20System/GSTARCAD/2020/System%20Variables/C/COPYMODE%20System%20Variable.md "COPYMODE") - [CPLOTSTYLE](Help%20System/GSTARCAD/2020/System%20Variables/C/CPLOTSTYLE%20System%20Variable.md "CPLOTSTYLE") - [CPROFILE](Help%20System/GSTARCAD/2020/System%20Variables/C/CPROFILE%20System%20Variable.md "CPROFILE") - [CROSSINGAREACOLOR](Help%20System/GSTARCAD/2020/System%20Variables/C/CROSSINGAREACOLOR%20System%20Variable.md "CROSSINGAREACOLOR") - [CTAB](Help%20System/GSTARCAD/2020/System%20Variables/C/CTAB%20System%20Variable.md "CTAB") - [CTABLESTYLE](Help%20System/GSTARCAD/2020/System%20Variables/C/CTABLESTYLE%20System%20Variable.md "CTABLESTYLE") - [CURSORSIZE](Help%20System/GSTARCAD/2020/System%20Variables/C/CURSORSIZE%20System%20Variable.md "CURSORSIZE") - [CVPORT](Help%20System/GSTARCAD/2020/System%20Variables/C/CVPORT%20System%20Variable.md "CVPORT") ---