You don't have to be a dummy to need help preparing for a test. The ASVAB Practice for Dummies app helps future warfighters get the best score possible on the Armed Services Vocational Aptitude Battery exam. The application, which costs $9.99, offers three full-length practice tests; study tips; practice questions in several categories such as communication, technical skills and arithmetic; and more. For more information or to download the application, visit the Web site or iTunes. These sites are not affiliated with AFCEA or SIGNAL Magazine, and we are not responsible for the content or quality of the products offered. When visiting new Web sites, please use proper Internet security procedures.