Element is a simple golfing language that compiles to Perl. It was first created in March 2012.
See "Documentation" for details on Element's intructions.
Esolangs.org page for more documentation and examples.
Nth Fibonacci Number
1 push a 1 _' take input then move it to the control stack [ ] FOR loop [3: ] make two additional copies of the top number (3 is the total count) [ ~ ] turn one copy into a zero [ 2@ ] move from position 0 to position 2, behind the old number [ +] add the old and newer number ` output the result