ConvertThis is a code snippet that converts measurements such as degrees Celsius and Fahrenheit; centimeters and inches; meters and feet; kilometers and miles; kilograms and pounds; milliliters to ounces; and for fun, regular beers and tall beers. This was created for the expatriate American. It distinguishes singular and plural in the first value (for example, it will say 1 ounce, 2 ounces, and so on). Reloads if no values are given. It ignores extra spaces in the input, so -1 and - 1 (see the space) are the same. Theres also a quick & dirty check to make sure the first value given is not a letter, returns with a warning.
_http://hotscripts.com/jump.php?listing_id=9181&jump_type=0
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PHP CalcPHP Calc is the most basic calculator written in php. This is a 5 minute script that is powerful because you can make it calculate anything. It just takes some imagination and some knowledge of math. Feel free to change the script to make it like your site, but remember to leave credit if you change it.
_http://hotscripts.com/jump.php?listing_id=53564&jump_type=0