If you use your iPhone calculator frequently, you might want to know how to view your calculation history. With iOS 18 or later, the built-in Calculator app now includes a dedicated history feature, allowing you to review, copy, and delete past calculations organized by date. For older iOS versions, workarounds like copying the last result, using memory functions, screen recording, or third-party apps provide similar functionality.

How to access iPhone calculator history

Follow these methods depending on your iOS version to view, manage, or work around the lack of history in the Calculator app.

Viewing history in iOS 18 or later

  • Perform a calculation first; history only appears after using the app on iOS 18+.
  • Tap the history menu icon (orange three-line list button) in the top-left corner.
  • Review your calculations, sorted by date.
  • Long-press a result for options like Copy Expression (copies the full input), Copy Result (copies the answer), or Delete (removes it).
  • To delete multiple entries, tap Edit in the top-right, select items, or choose Delete All at the bottom, then tap Done.

Copying the last result

  • Swipe down from the upper-right corner to open Control Center.
  • Long-press the Calculator icon.
  • Tap Copy Last Result; note this copies only the answer, not the formula.

Using memory functions

  • Open the Calculator app.
  • Switch to Scientific mode by tapping the calculator icon in the lower-left and selecting Scientific.
  • Perform the calculation you want to store.
  • Press m+ to add the current number to memory.
  • Press mr to recall it later.
  • Use m- to subtract from memory or mc to clear it.

Screen recording workaround for pre-iOS 18

  • Open Settings > Control Center.
  • Tap the green + next to Screen Recording to add it.
  • Open Control Center and tap the Screen Recording button to start.
  • Perform your calculations while recording.
  • Stop recording via Control Center; the video saves to Photos.
  • Review the video in Photos to check calculations.

Third-party calculator apps

  • Try Calculator with History+ for a simple app that displays calculation history.
  • Use Calcbot 2, which shows history and allows favoriting calculations.
  • Consider Numerical² for a visually appealing option with history recording and iCloud sync.
Pro tip: Switch to Scientific mode often for memory features, and enable iCloud backups for third-party apps to sync your history across devices seamlessly.

Accessing calculator history improves accuracy by letting you verify past results without recalculating. It saves time during complex math sessions, reducing errors in work or studies. For professionals like engineers or accountants, reliable history ensures compliance and quick audits.

Even basic users benefit from workarounds on older iOS, bridging the gap until updates. Third-party apps offer extras like themes and syncing, enhancing productivity. Ultimately, these tools turn a simple calculator into a powerful companion for everyday computations.