How do I enter the Euro symbol in vim?

Question

I am running vim 7.4:

andrew@athens:~$ vim --version | head -n 2
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Jun 16 2016 10:50:38)
Included patches: 1-1689

And I need to routinely type in the Euro symbol. How do I do this easily and efficiently?

Answer 1

Ctrl-k = e 

You can use it in "insert" mode.

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Proof: