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31 lines
375 B
31 lines
375 B
#!/usr/bin/env perl
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use strict;
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use warnings;
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my $num = 4000 / 7;
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print "$num\n";
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print int($num + 0.005) . "\n";
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printf("%.3f\n", $num);
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printf("00%.3f\n", $num);
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sub show_signed {
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my ($num) = @_;
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if ($num gt 0) {
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printf("+%.3f\n", $num);
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} else {
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printf("%.3f\n", $num);
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}
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}
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show_signed($num);
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show_signed($num - 1000);
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1;
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__END__
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