Toggles the QuickCalc palette

`Ctrl` + `8`

All hotkeys for AutoCAD 2016 (Windows)

General Displays the Visual Basic Editor (AutoCAD only)	`ALT` + `F11`
General Displays the Macros dialog box (AutoCAD only)	`ALT` + `F8`
General Displays the Text window	`Ctrl` + `F2`
General Toggles Clean Screen	`Ctrl` + `0`
General Toggles Properties palette	`Ctrl` + `1`
General Toggles DesignCenter	`Ctrl` + `2`
General Toggles the Tool Palettes window	`Ctrl` + `3`
General Toggles Sheet Set Manager	`Ctrl` + `4`
General Toggles dbConnect Manager (AutoCAD only)	`Ctrl` + `6`
General Toggles Markup Set Manager	`Ctrl` + `7`
General Toggles the QuickCalc palette	`Ctrl` + `8`
General Toggles the Command Line window	`Ctrl` + `9`
General Selects all the objects in drawing that are not locked or frozen	`Ctrl` + `A`
General Toggles Groups	`Ctrl` + `Shift` + `A`
General Toggles Snap	`Ctrl` + `B`
General Copies objects to the Windows Clipboard	`Ctrl` + `C`
General Copies objects to the Windows Clipboard with Base Point	`Ctrl` + `Shift` + `C`
General Toggles Dynamic UCS (AutoCAD only)	`Ctrl` + `D`
General Cycles through isometric planes	`Ctrl` + `E`
General Toggles running object snaps	`Ctrl` + `F`
General Toggles Grid	`Ctrl` + `G`
General Toggles PICKSTYLE	`Ctrl` + `H`
General Moves focus to the Start tab	`Ctrl` + `HOME`
General Toggles the display of palettes with HIDEPALETTES and SHOWPALETTES	`Ctrl` + `Shift` + `H`
General Toggles the Coordinates display (AutoCAD only)	`Ctrl` + `I`
General Toggles Infer Constraints (AutoCAD only)	`Ctrl` + `Shift` + `I`
General Repeats last command	`Ctrl` + `J`
General Inserts a hyperlink	`Ctrl` + `K`
General Toggles Ortho mode	`Ctrl` + `L`
General Selects the previously selected objects	`Ctrl` + `Shift` + `L`
General Repeats last command	`Ctrl` + `M`
General Creates a new drawing	`Ctrl` + `N`
General Opens an existing drawing	`Ctrl` + `O`
General Plots the current drawing	`Ctrl` + `P`
General Toggles the Quick Properties interface	`Ctrl` + `Shift` + `P`
General Quits the application	`Ctrl` + `Q`
General Cycles through the viewports on the current layout	`Ctrl` + `R`
General Saves current drawing	`Ctrl` + `S`
General Displays up the Save As dialog box	`Ctrl` + `Shift` + `S`
General Toggles Tablet mode	`Ctrl` + `T`
General Pastes data from the Windows Clipboard	`Ctrl` + `V`
General Pastes data from the Windows Clipboard as a Block	`Ctrl` + `Shift` + `V`
General Toggles selection cycling	`Ctrl` + `W`
General Cuts objects from the current drawing to the Windows Clipboard	`Ctrl` + `X`
General Cancels the preceding Undo action	`Ctrl` + `Y`
General Reverses the last action	`Ctrl` + `Z`
General Cancels current command	`Ctrl` + `[`
General Cancels current command	`Ctrl` + `\`
General Moves to the previous layout	`Ctrl` + `PAGE UP`
General Moves to the next layout tab	`Ctrl` + `PAGE DOWN`
General Moves to the next file tab	`Ctrl` + `TAB`
General Displays Help	`F1`
General Expands the Command Line history when the Command Line window is floating, or displays the Text window when the Command Line window is docked	`F2`
General Toggles OSNAP	`F3`
General Toggles 3DOSNAP (AutoCAD only) or Toggles TABMODE (AutoCAD LT only)	`F4`
General Toggles ISOPLANE	`F5`
General Toggles UCSDETECT (AutoCAD only)	`F6`
General Toggles GRIDMODE	`F7`
General Toggles ORTHOMODE	`F8`
General Toggles SNAPMODE	`F9`
General Toggles Polar Tracking	`F10`
General Toggles Object Snap Tracking	`F11`
General Toggles Dynamic Input	`F12`
General Subobject selection is not filtered (AutoCAD only)	`Shift` + `F1`
General Subobject selection is limited to vertices (AutoCAD only)	`Shift` + `F2`
General Subobject selection is limited to edges (AutoCAD only)	`Shift` + `F3`
General Subobject selection is limited to faces (AutoCAD only)	`Shift` + `F4`
General Subobject selection is limited to the solid history of an object (AutoCAD only)	`Shift` + `F5`