Cross Reference: /packages/apps/Calculator/res/drawable-mdpi

`Name`	`Date`	`Size`
Up to higher level directory
`advanced.png`	19-Dec-2010	`2K`
`clear_history.png`	19-Dec-2010	`2.3K`
`icon.png`	19-Dec-2010	`901`
`simple.png`	19-Dec-2010	`2.2K`