CTRL+N

File > New

CTRL+O

File > Open

CTRL+S

File > Save

CTRL+Z

Edit > Undo

CTRL+Y

Edit > Redo

CTRL+T

Edit > Selection Tools > Rectangle

CTRL+L

Edit > Selection Tools > Line

CTRL+P

Edit > Selection Tools > Paintbrush

CTRL+U

Edit > Select > Custom Region

CTRL+A

Edit > Select All

CTRL+C

Edit > Clear All

CTRL+V

Edit > Select Visible Only

CTRL+G

Edit > Select Through

CTRL+D

View > Fit Model to View

CTRL+F

View > Set Rotation Center

CTRL+R

View > Reset > Current View

CTRL+B

View > Reset > Bounding Box

CTRL+X

Tools > Options

F1

Help. (Place cursor over function of interest)

ESC

interrupt function

CTRL+SHIFT+X

Tools > Macros > Execute

CTRL+SHIFT+E

Tools > Macros > End

DEL

Delete, Delete Polygons, Delete Faces, Delete Curves

Spacebar

Apply or OK

ALT+0

View > Objects > Hide All

ALT+1

View > Objects > Hide Inactive

ALT+2

View > Objects > Hide/Show Next

ALT+3

View > Objects > Hide/Show Previous

ALT+4

Tools > Features > Show All Features

ALT+7

Tools > Datums > Toggle All Datums

ALT+5

Tools > Features > Hide All Features

ALT+8

Edit > Select All Objects

ALT+9

View > Objects > Show All