There are a lot of hidden little tricks and tips for all of the native apps on the iPhone, including the Calculator app. If you're typing in numbers and make an accidental mistake, you don't need to ...
<BLOCKQUOTE><font size="-1">quote:</font><HR>What method does ANN use?<HR></BLOCKQUOTE><BR>Uhhh....'kd trees', and/or 'box decomposition trees'. The first recursively ...