47ものがたり — 数字が語る、都道府県の意外な真実

A perfect Japan map quiz for school preparation, review, and test preparation! ✏️ With a game-like format of just 10 seconds per round, even kids who struggle to sit at a desk will be captivated and challenged! It's a helpful app where you can master Japanese geography while having fun!

Is Japan's population not as large as I thought? The world's "now" at a glance! A pop and fun world countries data ranking 🌍✨ Check population, land area, and population density with graphs at a glance!

Let's take a look at the elevation differences in Tokyo!

Government statistical data analyzed and explained by AI. Daily updated data journalism

シンプルに作ったデータ検索サイト

Diagnose your sense of humor based on actual research and papers!

Dokodemo Nauru is a map app that overlays the outline of the Republic of Nauru on maps of various locations throughout Japan, allowing you to intuitively compare its size and shape.

Let's search for parks with long slides throughout the country!

府中のこと、どれくらい知ってる？

A site where you can visit over 1,000 historical spots featured in textbooks and reference materials by browsing them on a map

A diagnostic app that lets you know your own preferences just by inputting your favorite games, manga, and anime, and recommends works that resonate with you.

For those aiming to pass the G Test. This is a site designed to efficiently solidify the knowledge of AI and deep learning necessary to pass the G Test through multiple-choice quizzes (unofficial JDLA site). Original problems are recorded separately for easy/hard levels.

気軽に投票、結果はみんなで引用できるオープンデータに

自分の実力に合わせてフラッシュ暗算が出来ますよ！

It's a quiz game with game mechanics where you think for 1 minute per question and try to get a set number of correct answers. You can also create problem sets.

毎日、たった一問。 みんなの本音データを、毎日ひとつずつ。 匿名で、かんたんに、リアルな実態を可視化します。

教科書が教えない「おもしろい日本語」を学ぶアプリ

It is a platform where you can read stories and texts written vertically, and authors can design the scope of disclosure and monetization for each work.

This is a service that allows you to easily view inhabited islands in Japan on a map! By creating an account, you can record on the web: Inhabited islands you have visited Inhabited islands you want to visit In the future, we plan to release a mobile app called "Shima Log" for recording visits to inhabited islands!

This is a web app that automatically generates natural and emotional quotes by combining word and grammar data. You can enjoy meeting different words each time with just a button press.

A city selection tool for digital nomads that enables cross-comparison of 100 cities worldwide on a globe map, including cost of living, internet speed, climate, and more!

A site where you can see information about movie theaters at a glance

Uchinalingo (うちなりんご) is a free, ad-free learning app for Naichaa (Japanese people from outside Okinawa Prefecture) and foreigners to learn the Okinawan language and history. It supports Japanese/English UI. Main Features Learn Okinawan language progressively with the Lesson Map With "Yougawari," learn about historical transitions from "the era of Tang" to "the Yamato era," from "the Yamato era" to "the American era," and from "the American era" to the present day With "Okinawa Surname 100 Knockouts," memorize the surnames of Okinawan people In "Ikusa-yo" mode, you can learn about the history of the Battle of Okinawa.

yomitakuは本の価格比較と図書館蔵書検索ができるサイトです。ヘッダーの検索欄から書籍名、著者名、またはISBNで本を検索してください。