Elmer is a Home & Hobby::Other software developed by Black Cat Systems. After our trial and test, the software was found to be official, secure and free. Here is the official description for Elmer: Elmer will help you study for your amateur radio exams. Elmer covers all elements, and prepares actual sample exams. Each exam is graded, and you get to see which questions you missed, and the correct answer. After you've practiced using Elmer, you'll be all set to take your written exam! you can download Elmer 9.4.0 free now.