This is the first program I made. It's relatively simple but it helped me understand the basics.

use warnings;
use strict;

print "What is your name?";
my $name = <STDIN>;
chomp $name;
print "Hello, $name:)\n";

print "How old are you? ";
my $age = <STDIN>;
chomp $age;
print "You are $age years old!\n";
$age = $age / 2;
print "Half your age is $age years.\n";
my $sum;

    {
    print "Enter a number... ";
    $sum = <STDIN>;
    chomp $sum;
    if (! isNumber ($sum))
        {
        print "Please use numrals.\n";
        redo;
        }
    else    
        {
        last;
        }
    }
    
my $nextsum = $sum / 2;
print "Half of $sum = $nextsum";
sub isNumber
{
my $value = shift;
return $value =~ /^[.\d+-eE]+$/;
};
print "\nTell me $name, would you like to try a test? Yes or No.\n";
    
    {
    my $answer = <STDIN>;
    chomp $answer;
    
    if ("no" eq lc ($answer))
        {
        print "Oh well, have a good day!";
        exit;
        }
    
    if ("yes" ne lc ($answer))
        {
        print "Please answer yes or no $name\n";
        redo;
        }
    }

print "The question is: What is the square root of 36?\n";
my $answertwo = <STDIN>;
chomp $answertwo;
print "Correct! Have a good day!" if "6" eq lc ($answertwo);

print "Sorry, you're wrong. Have a good day!" if "6" ne lc ($answertwo
+);

[download]

As you can see, it goes like this:

What is your name?your name
Hello, your name:)
How old are you? 34
You are 34 years old!
Half your age is 17 years.
Enter a number... 5
Half of 5 = 2.5
Tell me your name, would you like to try a test? Yes or No.
yes
The question is: What is the square root of 36?
seven
Sorry, you're wrong. Have a good day!

[download]

In reply to Re^2: Teaching Children How to Program by Panda
in thread Teaching Children How to Program by Sandy

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.