Hardest Captcha for a human: Maybe Hardest Captcha for a machine: Not so sure ! ...

		moblivu on March 5, 2011 \| parent \| context \| favorite \| on: Hardest captcha ever? Hardest Captcha for a human: Maybe Hardest Captcha for a machine: Not so sure ! You can just pass the equation in Wolfram Alpha directly and you have your answer! The font is crystal clear and the equation is quite simple.