You can acquire the ability to pass the national exam super efficiently with a study method centered on "words" instead of "problems" such as past questions.

【function】
・ "Today's 5 questions" function for warming up
・"Ranking" function that allows you to compete with users all over the country
・Record past questions for 10 years. "Past question check" function with easy-to-understand explanations
・"Open chat" function that allows you to exchange information with friends who study together
- Words are ranked according to the frequency of national exams. "Vocabulary check" function essential for efficient learning
・"Rank judgment" function to measure the current ability
・"Drill problem" function that can cover everything from basic learning to overcoming weak subjects
・ Useful information such as study tips is also posted

We plan to update the function from time to time.

【terms of service】
Terms of use are posted below. Please read before using the service.
https://dh-study.jp/rule.php

【privacy policy】
The privacy policy (personal information protection policy) is posted below. Please read before using the service.
https://dh-study.jp/policy.php

【inquiry】
Please send an email to [email protected].