Derivon vs Hundred Schools Classics

Master calculus through daily practice. Solve derivatives and integrals by intuition — no overthinking, just repetition. • Swipe through problems and build your skills • Earn Star Sand with every correct answer • Spin the Gacha to collect planets in your Gallery • Build a daily streak — never break the chain • Take Rank-Up Challenges as you progress • Play Shooting mode for a quick break • Track your streak, level up, and earn rewards Whether you're preparing for AP Calculus, university exams, or just sharpening your math skills, Derivon makes practice feel like a space adventure. 3 minutes a day. That's all it takes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

The Analects, Laozi, Sunzi, Han Feizi: read the words of ancient China's great thinkers in the original Classical Chinese and in plain English. This app covers 13 thinkers, 13 books, and 2,004 passages. - Read the originals Each passage has a clear English translation alongside the original text. Start with the meaning, then go back to the source whenever you want to. - Keep your place Move through a chapter with Previous and Next, and leave one bookmark in each book. - AI commentary Each passage comes with background and points to notice. The commentary is written by AI from the text alone and does not rely on published annotations. - Search Search the original text and translations together. Use all words, any word, or exclude, and narrow results to specific books. - Collect and share Gather the passages that stay with you into lists. Publish a list so other readers can find it, and save the lists you like. - People and books Learn each thinker's era, dates, school, and related books. - Five languages Japanese, English, Simplified Chinese, Traditional Chinese, and Korean. Dark mode is supported. - Books included The Analects, Mencius, The Great Learning, The Doctrine of the Mean, Laozi, Zhuangzi, Liezi, Xunzi, Han Feizi, The Book of Lord Shang, Mozi, Sunzi, Gongsun Longzi Original texts are from the Kanripo repository (CC BY-SA). ■ Supporter Plan (auto-renewable subscription) The Supporter Plan removes ads and is offered monthly or yearly. It renews automatically unless cancelled at least 24 hours before the end of the current period. You can cancel in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://akio-ko.github.io/syoshi-legal/privacy.html