diff --git a/cli/numbers.pl b/cli/numbers.pl
new file mode 100644
index 0000000..777d76d
--- /dev/null
+++ b/cli/numbers.pl
@@ -0,0 +1,11 @@
+#!/usr/bin/perl
+
+my $a = 4;
+
+print "\$a = $a\n";
+print "\$a++ = " . $a++ . "\n";
+print "++\$a = " . ++$a . "\n";
+print "\$a-- = " . $a-- . "\n";
+print "--\$a = " . --$a . "\n";
+print "\$a += 5 = " . ($a += 5) . "\n";
+print "\$a -= 2 = " . ($a -= 2) . "\n";