Premium
Subscription & payments
Everything you need to grow
- Unlimited attempts, every day
- All four arithmetic trainers
- Nine brain games + Calculation & Memory
- All 90 coordinate drawings
- Seven levels of Olympiad practice
- Training history, results & rankings
- Premium printable worksheets
Abacus and flashcards remain available for free. Abacus · Flashcards ↗
Monthly subscription
$8/ month
USD / student / month · One price for every studentAccepted cards
VISA
ArCa
Secure bank checkoutYour card details stay with the bank.
Prices are shown in USD. The bank charges AMD at the latest official CBA rate, fixed when checkout is created.