Infinity on High with a 54% decline during a post-Grammy week. The album rose to number three in its third week with 79,000 units sold. In its fourth week, the disc slipped to number four and sold 67,000 copies. "Infinity on High"s sales again fell in its fifth week, moving 58,000 copies and descending to number eight on the chart. In its sixth and last week in the top ten it fell to number nine and sold 43,000 copies. In April 2007, the album was certified Platinum by the Recording Industry Association of America (RIAA), denoting the shipment of one million copies. It
Gear Cube Pyraminx, or even the Gear Cube. They are most likely using "Singmaster notation", originally developed by David Singmaster. It allows for algorithms to be written in a way that a solver can use it no matter what side of the cube they are on. When a prime symbol ( ' ) follows a letter it indicates that move must be rotated in a counter-clockwise fashion. However, if the prime symbol is absent after the letter, that move must be rotated in a clock-wise fashion. For example: R - rotate the right side clockwise. R' - rotate the right side counter-clockwise.