Settings

Explanations

Chemistry terms always stay in English, like in class. Explanation paragraphs can switch to Korean.

Offline storage

The app works offline after the first visit. Simulations and element photos are saved the first time you open them.

Used on this device: unknown

Records

Stars, discovered elements and progress live only on this device.

Clearing the browser's data or resetting the tablet erases records. Save a backup now and then.