The app calculates sunrise and sunset times for any location and date. It displays the earliest and latest sunrise and sunset times for any latitude, along with the equation of time and sun inclination.
Access geologic time scale data with a simple interface. View and scroll through eons, eras, periods, epochs, and ages. Select specific time divisions to see their names and numerical dates.
The app provides access to optical and photonic products, issues, equipment, applications, and news. Users can locate global optical suppliers and search news items.
Identify coins by taking two photos of the obverse and reverse. Access a global catalog of over 200,000 coins. View current , historical background, and physical details. Search for specific coins by country or era.
