=== Math Comment Spam Protection ===
Contributors: Michael_
Plugin Name: Math Comment Spam Protection
Plugin URI: http://sw-guide.de/wordpress/plugins/math-comment-spam-protection/
Author URI: http://sw-guide.de/
Donate link: http://sw-guide.de/donation/
Tags: anti-spam, spam, captcha, math, protection
Requires at least: 2.9
Tested up to: 3.0.1
Stable tag: 3.0

Asks the visitor making the comment to answer a simple math question. This is intended to prove that the visitor is a human being and not a spam robot.
  

== Description ==

Math Comment Spam Protection asks the visitor making the comment to answer a simple math question. This is intended to prove that the visitor is a human being and not a spam robot.

Example of such question: Sum of 9 + 9 ?

This plugin does not require JavaScript or cookies. It uses a special encryption function; the result of the question is being passed via a hidden field. The result is being compared with the value entered by the visitor – after encrypring this value as well.

Please visit [the official website](http://sw-guide.de/wordpress/plugins/math-comment-spam-protection/ "Math Comment Spam Protection") for further details and the latest information on this plugin.

== Installation ==

See on [the official website](http://sw-guide.de/wordpress/plugins/math-comment-spam-protection/ "Math Comment Spam Protection").


== Frequently Asked Questions ==

= Where can I get more information? =

Please visit [the official website](http://sw-guide.de/wordpress/plugins/math-comment-spam-protection/ "Math Comment Spam Protection") for the latest information on this plugin.

== Changelog ==

= 3.0 [2010-08-08] =
* New: Field for the HTML code in the plugin options
* New: HTML code can be added automatically without altering theme files
* New: now using inc.swg-plugin-framework.php with a better plugin options page
* Fix: now compatible in WordPress 3.0

= 2.2 [2007-11-27] =
* Fix: two security issues (XSS) resolved.

= 2.1 [2007-02-01] =
* Fix: Further improved hash calculation.

= 2.0 [2006-07-30] =
* New: An options menu is available in the Wordpress admin options. Also, written-out numbers can be defined.

= 1.2 [2006-07-21] =
* Fix: Rarely, a warning message "Division by zero" occurred (was caused by the hash function).</li>

= 1.1 [2006-07-09] =
* Fix: Improved hash calculation by considering date and blog title.

= 1.0 [2006-07-03] =
* Initial release