Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.
A sand-glass timer measures 1, 3, and 6 minutes. Users start it by flipping it vertically or swiping on iPhone X. Remaining time is displayed, and a chime sounds when time ends. The glass rotates automatically as sand flows.
Create, type, and draw directly on the screen with intuitive gestures. Double- or triple-tap number fields to adjust values. Tap the clapper once to open, twice to start a timer. Capture and organize media with simple interface controls.
