Depending on your operating system, you can either tap the Calculator button within the app and choose Scientific or turn your iPhone to the landscape orientation to change modes.

How to find your own calculator history First of all, go on to the calculator app on your iPhone. Then tap the icon in the top left hand corner to unveil your past calculations.

Easily Perform Conversions on Your iPhone's Calculator App Learn how to convert distance, currency and more in Calculator without internet or any another app.