How to Use the Calculator App on the iPhone - prajaktakul6/user-assistance-prajakta GitHub Wiki

Introduction

The Calculator app on the iPhone is a versatile tool for performing basic and scientific calculations. This guide walks you through its key features, from simple arithmetic to advanced functions.

Goal: Help users efficiently use the Calculator app for various mathematical operations.

Accessing the Calculator App

  1. Locate the Calculator app icon on your home screen or in a folder.

  2. Tap the icon to open the app.

  3. Use the on-screen numeric keypad to input numbers.

  4. Tap the operation buttons for addition (+), subtraction (-), multiplication (×), or division (÷).

  5. Tap the = (equals) button to display the result.

  6. Use the C (Clear) button to reset the calculation.

Accessing Scientific Calculator Mode

  1. Rotate your iPhone to landscape orientation while the Calculator app is open.

  2. The interface will expand to display scientific functions such as:

    • Trigonometric functions: sin, cos, tan
    • Logarithmic functions: log, ln
    • Exponents and roots: x², x³, √x

  3. Use these functions by tapping the respective buttons.

Additional Tips

  • Copy and Paste: Long-press on the display to copy the result or paste a value.
  • Delete Digits: Swipe left or right on the displayed number to delete the last digit.
  • Memory Functions: Use the M+, M-, MR, and MC buttons in scientific mode to store and recall numbers.

Troubleshooting

  • App Missing: If the Calculator app is not visible, you can reinstall it from the App Store.
  • Scientific Mode Not Appearing: Ensure your screen rotation is not locked in the Control Center.

Conclusion

The iPhone's Calculator app is a handy tool for quick calculations and more complex mathematical tasks. By understanding its features, you can leverage it for daily needs and advanced operations alike.