Perform arithmetic, logical, and memory operations. Calculate modulo, bit shifts, and bitwise functions. Save and load values. Switch number bases and modes via device rotation or screen edges.
Review phrases with audio in American and British . Organized into 309 review groups covering basic to advanced levels. Track progress through systematic revision sessions. Practice pronunciation with native speaker audio.
Monitor communication usage and memory consumption directly on the home screen. Check free storage and device heat status. Customize background and font colors. Set reset intervals from 1 to 25 days. Multiple widgets can be added and managed.