A calculator with large keys for easy use on iPhone and iPad. Supports multitasking on iPadOS. Compatible with macOS Big Sur and newer Macs with M1 and M2 chips. No ads or in- purchases.
The app displays Japanese holidays, eras, zodiac signs, age charts, old calendars, Rokuyo, moon phases, and era conversions. It also supports Apple Watch complications and iOS 14+ widgets for calendar viewing.
The app allows users to search for Japanese surnames, their origins, readings, and rankings. It also provides information on celebrities by surname, surname rankings by prefecture, and information on rare surnames.
