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Name: CAPTCHA MARS (94 downloads) Bookmark this page
Member: b_birak (find more CAPTCHAs from this author)
Description: CAPTCHA that uses Multiplication, Addition, Remainder and Subtraction. The user needs to work out the answer by grabbing the 2 numbers from the grid references and performing the correct mathematical equation. Once the answer is calculated and confirmed it is verified. Please note that negative answers are also allowed.

We recommend changing the range if you use remainder to avoid division of 0.
Categories: Puzzle, Questions,
Clarity: 0 ratings to date
Calculations: 0 ratings to date
Link: download
Date Added: 24 Jun 2008 23:49:31 BST
Format: PHP,

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