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Solves for velocity, average velocity and displacement related to constant acceleration.
Price: Freeware

All you do is enter two area codes and submit the form, the script will come back with the approximate number of miles between the two area codes.
Price: $45.00

You can convert many units (length, area, volume, mass, temperature and more !) with this script. Very useful for students, teachers, engineers, businessmen, workers etc.
Price: $12.99

Distance Calculator allows you to determine the approximate distance, in miles, between two USA postal ZIP codes or two USA telephone area codes. A data file including more than 40,000 entries of ZIP code, city and state name, area code, latitude, and longitude is included.
Price: Membership starts at $199.95

EvalExpr is a class to parse expressions and try to calculate the result.
Price: Freeware

This program calculates the distance between two zip codes in the United States. The sub-routines included in the code can be used to calculate any distance between latitude and longitude coordinates. The package includes data for the US, the script includes two sub-routines, one gets the coordinates and city name, the other calculates the distance between two points. The result should be very precise because the calculation takes into account the fact that the earth is not a perfect sphere.
Price: $74.00

Based on a simple algorithm it calculates the lucky number of an individual by taking in the birth date.
Price: Freeware

This Calculator is designed to help you figure out which merchant account you should use based on your sales and average sales amount.

Converts 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.
Price: Freeware

This script can calculate very accurately the needed DivX 3.x and 5.x Bitrate to encode Avi video with predefined size, for instance 700 MB. It also predicts what will be the resulting quality of the video, so that you can raise/lower the bitrate or the resulting size to achieve the the best quality/size ratio.
Price: $15.00