~~NOTOC~~

====== EV2 ======
EV2(<-vector) ->vectorY ->vectorX

===== Description =====
Expands a vector. Pops a vector from the stack, and pushes back to the stack the first two float elements of the vector.

===== Examples =====
<code 4rpl>
V2(1 2) ->vector
EV2(<-vector) ->y ->x
</code>