Doomsday calculator memory

提供 Joao Vianna AppTrack Ninja。

Test your hability to dates

In 1970, British mathematician John Conway devised a way to quickly calculate the weekday of any given date without the help of calculators, computers, or calendars. This app helps you to practice and memorize.

カテゴリ: Education, Entertainment

の App Store 順位、スクリーンショット、推定、類似アプリ。 Doomsday calculator memory.

Loading…