Convert , , hex, and octal numbers with one-tap input. Perform bidirectional conversions between all number systems. Save and share conversion results. View detailed conversion steps and history.
The app helps students learn to pay the exact price of an item using coins and notes. It displays an item, its price, and a counter for the amount paid.
The app presents an item for sale with its price and a counter for the amount paid. Students select coins and bills to match the item's price, receiving an animation upon correct payment.
Access formulas, equations, and reaction mechanisms for intermediate students. Add personal notes for revision. Covers physical, inorganic, and organic .
