What are alternatives for these controls in iPhone
<p><strong>What are alternatives for these controls in iPhone</strong> </p>

<ul>
<li>Radio Button</li>
<li>Check Box</li>
<li>Drop Down</li>
<li>x raise to Power y in UILabel</li>
<li>Hyperlink</li>
</ul>

<p>Suggestion and answers will be appreciated, thanks.</p>
