Calculator + Formula & History

History and scientific keys

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

A clear, easy-to-use calculator that keeps your calculation history visible. Key features • See past expressions and results • Tap a history item to reuse its result • Rotate to landscape for scientific functions • Tap the display to copy an expression or result • Turn keypad sounds on or off The free version contains ads. Complete an optional reward video for 24 hours without ads, or make the one-time Premium purchase to remove ads permanently. Check the store for your local purchase price.

Ratings & Reviews

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Improved ad-status updates after purchases and restoration, enhanced stability and updated internal libraries. Calculator features, pricing, ad frequency and the 24-hour ad-free video reward are unchanged.

Version 2.1.2

The developer, IPPEI NAGAMINE, 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:

    • Identifiers

  • Data Linked to You

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

    • Location
    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

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

Accessibility

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

Information

Seller
  • IPPEI NAGAMINE
Size
  • 25.5 MB
Category
  • Utilities
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 9 more
  • English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 DevCat
  • Developer Website
  • Privacy Policy

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