A drill book for 'Electrician Examination', a Japanese official certification for Electrician. In this application, you can challenge questions for each essential keyword one by one. After answering each question, you'll see the correct answer and description for the question immediately. So you can progress your study at your own pace.Additionally, results will be displayed on the table of contents. You will find your weak points at a glance. This feature support you to conquer your weakness. Let's get basic knowledge for the certification, and conquer your weak points by using this application.