GraphMath CAPTCHA is a graphical version of the well-known Math CAPTCHA, which is part of the CAPTCHA module. In this case the mathematical equation is hidden in an obfuscated image. The amount and types of distortion
and noise can be configured along with the image type, the types and sizes of the fonts used, and color settings.
This module is intended as a submodule of the CAPTCHA module. This module was built using the Image CAPTCHA submodule of the CAPTCHA module.