CGI and Perl: Calculators

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...
Price: Free (linkware)

This is a small console-calculator written in Perl. This small tool works in two different modes and calculates the basic functions such as addition, subtraction, multiplication and division.
Price: Free

This Perl script allows you to calculate the reflection-centrum of a parabolic dish. Once you enter radius and height of a parabolic dish in mm, it calculates its reflection-centrum.
Price: Free

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...
Price: $74

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...
Price: Free

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,...
Price: Free (linkware)

This program allows users to convert units such as: Energy, Pressure, Volume, Density, Specific Volume, Specific Heat (Entropy), Enthalpy, Viscosity (absolute), and Coefficient of Heat Transfer.
Price: Free

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...
Price: Free

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...
Price: Free (linkware)