This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.



Adds Numerical addition CAPTCHA anti-spam methods to WordPress on the comment form.
In order to post comments, users will have to type in the phrase shown on the addition.
This can help prevent spam from automated bots.

* fix : Modified interface pos.

Arbitrary section

A brief Markdown Example


  1. Upload the wp-num-captcha folder to the /wp-content/plugins/ directory

  2. Activate the plugin through the Plugins menu in WordPress

  3. If you ever have to upgrade, simply deactivate, uninstall, and repeat the installation steps with the new version. Or you can click on “Upgrade Automatically” if prompted from the admin menu.



Contributors & Developers

“wp-num-captcha” is open source software. The following people have contributed to this plugin.


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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.