Most of the efficient and fast computer operators use keyboard shortcuts while doing their chores. If you're an Evernote user and love using keyboard shortcuts, you'll be happy to know that you can use Evernote almost entirely from the keyboard.
The list below gathered from cnet, gives some of the keyboard shortcuts combinations. Take a look on the list and improve the way you operate your computer.
General Application
Ctrl + N : create a new note
Ctrl + Shift + N : create a new notebook
Ctrl + Shift + T : create a new tag
F10 : toggle left panel display
F11 : toggle note list display
Ctrl + F11 : toggle note panel display
F5 : cycle note list views
Ctrl + F5 : switch to table view in note list
Ctrl + F6 : switch to mixed view in note list
Ctrl + F7 : switch to thumbnail view in note list
F2 : rename notebook, note, tag or saved search
F7 : spell check
F9 : sync with Evernote Web
Ctrl + Q : exit Evernote
Editor
Ctrl + B : bold
Ctrl + I : italicize
Ctrl + U : underline
Ctrl + A : select all
Ctrl + X : cut
Ctrl + C : copy
Ctrl + V : paste with original formatting
Ctrl + Shft + V : paste unformatted
Ctrl + Space : remove formatting
Alt + Shift + D : insert current date and time
Ctrl + Z : undo
Ctrl + Y : redo
Ctrl + T : strike through
Ctrl + Shift + B : bulleted list
Ctrl + Shift + O : numbered list
Ctrl + L : align left
Ctrl + R : align right
Ctrl + E : center
Ctrl + J : justify
Ctrl + Shift + X : encrypt selected text
Ctrl + K : create new hyperlink
Ctrl + F : search within note
Ctrl + S : save note
gathered from cnet.