Doomsday calculator memory — ASO

By Joao Vianna on 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.

Categories: Education, Entertainment

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Doomsday calculator memory — ASO | AppTrack Ninja