The iPhone calculator is a powerful tool that can be used for a variety of mathematical operations. However, many people are unaware that the calculator also has a history function that can be used to view a list of previous calculations. This can be helpful for checking your work or for finding a calculation that you have previously performed.
To check the history on your iPhone calculator, simply swipe up from the bottom of the screen. This will reveal a list of your previous calculations. You can scroll through the list to find the calculation that you are looking for.