Doomsday calculator memory 4+
Test your hability to dates
Joao Vianna
Designed for iPad
-
- Free
Screenshots
Description
Great way to help memorizing dates. Challenge yourself.
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.
What’s New
Version 2.1
New configuration for dates and styles.
App Privacy
The developer, Joao Vianna, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary based on, for example, the features you use or your age. Learn More
Information
- Provider
- Joao Vianna
- Size
- 3.7 MB
- Category
- Education
- Compatibility
-
- iPhone
- Requires iOS 17.6 or later.
- iPad
- Requires iPadOS 17.6 or later.
- Mac
- Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
- Apple Vision
- Requires visionOS 1.3 or later.
- Languages
-
English
- Age Rating
- 4+
- Copyright
- © Joao Vianna
- Price
- Free