Fusion Calculator is not your ordinary calculator. You can drag out the numbers anywhere within the screen to save it, and bring it back whenever you need it again. Watch the YouTube video to see exactly what I mean. http://www.youtube.com/watch?v=zLN7pSZY9DI I'm sure a lot of people will find good use of this calculator! And the best thing about it is that it's FREE! Paid version without the advertisement is also AVAILABLE, so if you find the ads annoying, please consider buying the paid version. iPad version is also available if you prefer calculating on a bigger screen! FREE version: http://itunes.apple.com/app/fusion-calculator-lite/id383549067?mt=8 PAID iPhone ver: http://itunes.apple.com/app/fusion-calculator-mini/id372731237?mt=8 iPad ver: http://itunes.apple.com/app/fusion-calculator/id369403753?mt=8
