You can click on any stick on the left of the equal sign and drag it. Once you have clicked on a stick or are dragging the stick you can press the 'r' key in order to rotate the stick.

If you move one stick and then try to move a second one. The board will be reset thus ensuring that only one stick is moved to solve the puzzle.

In order to win you must make the equation true. The winning move has a margin of error of +/- 5 pixels in either the horizontal or vertical directions.