In this tutorial, I will show you how to write a Perl program that will ask the user the principal amount, number of years, and interest rate of the loan of the customer, and then the program will compute the interest amount to be paid by the customer and display the result on the screen.

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Program Listing

# Author  : Jake Rodriguez Pomperada, MAED-IT
# Date    : October 21, 2020
# Website :  / 
# Email   :

do {
print "\n\n";
print "\tLoan Interest Solver in PERL";
print "\n\n";
print "\tEnter Principal Amount PHP : ";
chomp($principal =<>);
print "\tEnter Number of Years      : ";
chomp($time =<>);
print "\tEnter Percent Rate %       : ";
chomp($rate =<>);
$solve_interest = ($principal * $time * $rate) / 100;
print "\n";
$result = sprintf("%.2f", $solve_interest); 
print "\n";
print "\tThe Interest is PHP $result.";
print "\n\n";
print "\tDo you want to continue Y/N? : ";
chomp($reply =<>);
} while (uc $reply eq 'Y');
print "\n";
print "\tEnd of Program";
print "\n\n";

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