Wormhole Calc

An app of arithmetical

Only for iPhone

Free · Designed for iPhone

iPhone

The rules are simple. Fill in the blanks with numbers from 0 to 9 so that multiplication and division can be completed. * However, 0 is not entered in the leftmost cell. Questions are generated each time by the app program. The positions of the holes are determined at random. The last 50 questions created are automatically saved, and you can select and play them again later. Equipped with a memo function, undo and redo, and a lock function for entered numbers, making it easier to organize ideas. Please try once.

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We have updated the app for the latest iOS version.

The developer, Satoshi Horiguchi, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Provider
    • Satoshi Horiguchi
  • Size
    • 7.8 MB
  • Category
    • Puzzle
  • Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    • English and Japanese
  • Age Rating
    4+
  • Copyright
    • © Satoshi Horiguchi