Countdown lets users set a specific time and track seconds until completion. Adjust duration, receive alerts when time ends, and customize display settings.
Learn to calculate the day of the week for any between 1800 and 2200 using the Doomsday Algorithm. Track progress with personal times. Compare results with calculated values. Save custom mnemonics for special dates in the Doomsday List.
Allows users to view their reflection with customizable settings. Tap the area to access menu options. Adjust screen brightness and zoom using seek bars. Enable or disable the bulb function for lighting control.