Price increase planned! Purchase early!(^^) This is a problem set (40 questions total) that focuses specifically on calculation problems for the written exam for the national qualification "First Class Unmanned Aircraft Pilot (Drone)". We have analyzed the actual exam trends and reproduced the frequently appearing formats and numbers(^^) Content Details (with explanations for all questions) • Includes 40 calculation problems frequently appearing in the first-class written exam • 3-choice format / follows the actual format (multiple choice, not true/false) • Each question comes with easy-to-understand explanations / carefully explains how to use formulas • Supplements the meaning of terms and points to note • Adjusted based on feedback from actual exam passers Recommended for those who: ☑︎ Are anxious about only the "calculation problems" in the written exam ☑︎ Have practical experience but haven't studied for the written exam in a while ☑︎ Want to study "only the frequently tested areas efficiently" when they don't have much time ☑︎ Are confident in practical skills but struggle with the written exam Examples of Exam Topics (trend-focused) • Calculation of radio wave output and frequency • Effects of wind speed and flight time • Conversion of distance and time, battery consumption • Numerical problems related to altitude and flight range restrictions based on laws and regulations • Calculation formulas for safety factors, speed control, and weight balance 【Please note】 • This is an unofficial, self-made study material (it is a material to improve your score and does not guarantee passing) • Resale, reproduction, and posting on social media are prohibited due to copyright • Please refrain from price negotiations This problem set was created from the voices of those who said, "Calculations are a bottleneck..." and "I want to focus on studying only calculations." I hope it will be a help to you who are aiming for the shortest path to passing! Feel free to ask any questions in the comments.