Official Review
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Other links at CGI and Perl > Scripts and Programs > Calculators |
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Geozip
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Geozip is a Perl program for calculating 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, including two sub-routines, one gets the coordinates and city name, the other calculates the distance between two points. The result should have a precision of about 50 meters, because the calculation takes into account the fact that the earth is not a perfect sphere. A great program to integrate into e-business solutions, dating sites, or just as it is as a service to your visitors. Update: Now with PHP/MySQL routines!
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calculator.pl
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A calculator written in perl that does Addition, Multiplication, Subraction, Division, and Exponents. Includes an html form, the calculator.pl file, and documentation. Small download and simple installation.
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VeryInteresting Loan Payment Calculator
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VeryInteresting is a simple loan payment calculator. If a user enters a loan amount, an interest rate, the length of a loan, and the payment frequency, the calculator will show the monthly payment and the total interest that will be paid if the loan is paid to term. For monthly payments, it will also show an amortization table. Supports British Pound Sterling and Japanese Yen symbols as well as US Dollars.
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Fatalyzer
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This CGI script allows your visitors to calculate their percentage of body fat based on various skinfold measurements. This is a great way to add content to your health or fitness web site. The accuracy of skinfold bodyfat testing is largely based on the accuracy of the measurements and calipers are recommended.
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The Fluid Flow Calculator
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This calculator is used to calculate pipe friction losses for straight piping handling water and water with varying percentages of ethylene glycol. The calculator uses an algorithm developed from the basic principles of fluid mechanics. This calculator allows the user to input the fluid type, the fluid temperature, the flow rate, the pipe size, pipe length, and pipe material. The calculator then determines the velocity, the Reynolds number, the Moody friction factor, the pipe friction factor, the pipe head loss, and the pipe friction loss in PSI.
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