Official Review
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Other links at CGI and Perl > Scripts and Programs > Calculators |
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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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PayBackTime
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Ever wondered how long it will take to pay off your credit card with those minimum payments? PayBackTime will tell you! This script is focused on determining how long it will take to pay off a loan or credit card, given a minimum payment, balance, and interest rate. The results will show the time it will take to pay off the balance with that monthly payment, number of payments, and the total interest the user will end up paying. For illustration purposes, it also shows the same data based on a bi-weekly payment of half the amount of the monthly payment.
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Just Bring It Home Calculator
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A calculator written in perl that does Addition, Multiplication, Subraction, Division, and Exponents. The script includes a simple 3 page and cgi file format. There is a html page explaining the calculator, a html page where the user enters the sum and the template file which ouputs the data.
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AffordaBilly
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AffordaBilly is a simple interest loan calculator, focused on determining how large a loan the user can afford, given an interest rate, how large a payment they can make, and length of the loan in years. Users can choose monthly or bi-weekly payments. The results will show the maximum amount of a loan that the user can afford based on the monthly payment and interest rate.
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SFEBMIcalc
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SFEBMICalc is a simple Body Mass Index calculator. If a user enters their height (in centimeters or inches) and their weight (in kilograms or pounds), the program will return their Body Mass Index. You can configure it so that either Pounds/Inches or Kilograms/Centimeters is the default, and even change the spelling of Centimeters if you like.
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