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Your table is waiting
The encyclopedia, the courses and the games stay open to everyone. Your mastery table, your exercise path and your collection need an account: that is what lets us remember what you know, on every device.
Free, and it takes thirty seconds.
My table
118 cells that show what you really know — and what is fading.
An exercise path
One step after another: short sessions that come back at the right time.
A streak, a goal
Five minutes a day, a flame to keep alive, badges to unlock.
Without an account you keep everything else: the 118 element pages, the compounds, the courses and the three games.