'Sieb des Eratosthenes', 'category' => 'Mathematics', 'stars' => 1, 'ui_language' => 'German', 'prog_language' => 'Delphi', 'short_description' => 'Visualize the prime number calculation with the Sieve of Erastothenes algorithm.', 'add_date' => '2009-01-22', 'urls' => [ 'download' => 'direkt', ], 'long_description' => function(){ return file_get_contents(__DIR__ . '/Sieb des Eratosthenes_description.md'); }, 'thumbnail_name' => 'Sieb des Eratosthenes.png', ];