Math Captcha

Math Captcha is a superior CAPTCHA solution for WordPress, relying on mathematical operations to filter out spam bots from human users (or at least the ones that can add and subtract).

The plugin is easy to configure and comes with its own settings page in the WordPress admin panel.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

What is new in this release:

• Final fix for CF7

What is new in version 1.2.4:

• New:
• Hebrew translation

What is new in version 1.0.9:

• New:
• Multiple Math Captcha on one page support
• Chinese translation
• Fixes:
• COntact Form 7 errors and general CF7 support

What is new in version 1.0.5:

• New:
• Japanese translation.

What is new in version 1.0.1:

• Fixes:
• Math Captcha not available in Contact Form 7 if hide for logged in users selected.
• Captcha time expired error on bbPress.
• Tweaks:
• Empty captcha title.

Requirements:

• WordPress 3.3 or higher