CAPTCHA Database
| Name: |
CAPTCHA SAM (211 downloads)
|
| Member: | b_birak (find more CAPTCHAs from this author) |
| Description: | CAPTCHA that uses Subtraction, Addition and Multiplication. 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. |
| Categories: | Puzzle, Questions, |
| Clarity: | 5.0 out of 5 |
| Calculations: | 5.0 out of 5 |
| Link: | download |
| Date Added: | 24 Jun 2008 18:31:10 BST |
| Format: | PHP, |
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