電験三種 理論 完全攻略:第三種電気主任技術者 基礎+過去問

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About this app

This app covers everything you need to know about the theory subject of the Third-Class Electrical Chief Engineer Examination, from zero knowledge to past exam questions. Written and supervised by a First-Class Electrical Chief Engineer, it includes textbooks, practice problems, and past exam question explanations, allowing you to learn from the basics even through self-study.

■ Illustrated Textbook
All eight areas of theory are explained with diagrams. Example problems show all steps.

■ Learn and Check Immediately
After reading the textbook, immediately check the key points with example problems and practice questions.

■ Past Exam Questions with Explanations
All past exam questions have explanations. You can also quickly check related textbooks from the explanations.

■ Study Plan and Automatic Review
The app automatically determines the amount of study per day based on the exam date and provides reviews according to your understanding.

■ Practice Exam in Actual Format
Automatically graded with the same 90-minute, 100-point scale as the actual exam.

■ Pricing
The full version is a one-time purchase; there are no monthly fees or advertisements.

■ Please Note
* The past exam questions are from the Third-Class Electrical Chief Engineer Examination (Theory Subject) conducted by the Japan Electrical Engineers Examination Center. The source (year and period) is indicated for each question.
* This app is not affiliated with the Japan Electrical Engineers Examination Center.
Pass the Third-Class Electrical Engineer Examination (Electrical Engineering) Theory Subject through self-study, starting from zero knowledge. This app provides everything you need for exam preparation: illustrated textbooks, example problems, review questions, complete explanations of past exam ...
Updated on
Nov 7, 2026

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  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

拡大操作を改善しました。