Menu bar
File Menu
Ctrl+O
Ctrl+S
Edit Menu
Ctrl+X
Ctrl+C
Ctrl+R
Ctrl+V
Ctrl+P
Tools Menu
Ctrl+B
Ctrl+F
Units Menu
Selects the units for displaying measurements.
View Menu
Ctrl+H
Ctrl++
Ctrl+-
Ctrl+M
Ctrl+A
Help Menu
Shift+F1