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LIKE ANY COMPUTER, THE Galaxy S II includes a calculator. So the next time you need to find out the square root of 547 (it’s 23.388031, by the way), or simply figure out how much to leave for a tip, you’re all set. Unfortunately, that’s about all it does. You can’t paste results from it into the Galaxy S II Clipboard. Still it’s a useful little app.
Launch it by tapping its icon from the Apps Menu, and you see a basic, four-function calculator. Tap in an equation, like 67.5 x 32 =, and the answer appears at the top.
If you want to see the history of all of your calculations, tap the down arrow. Scroll through them by flicking down. To clear the history, tap the Menu key, then tap Clear History. You can change the text size from the Menu screen; tap Text size and then select the size you want.