Use the basic calculator on iPhone
You can perform arithmetic calculations with a basic calculator.
Siri: Say something like: “What’s 74 times 9?” or “What’s 18 percent of 225?” Learn how to use Siri.
Switch to the basic calculator
Go to the Calculator app
on your iPhone.Tap
, then tap Basic.
Clear the display
Go to the Calculator app
on your iPhone.Enter a digit or calculation.
Do one of the following:
Delete the last digit: If you make a mistake when you enter a number, tap
.Delete the expression: Tap the All Clear (AC) key, or touch and hold
.
Switch to another mode
Go to the Calculator app
on your iPhone.Tap
, then do one of the following:Access algebraic, exponential, logarithmic, and trigonometric keys, and more: Tap Scientific. See Use the scientific calculator.
Solve handwritten math problems, evaluate expressions, and assign variables: Tap Math Notes, then tap
. See Solve math with Math Notes.Draw graphs: Tap Math Notes, tap
, write an equation, then tap Insert Graph. See Work with graphs in Math Notes.Instantly calculate unit or currency conversions: Turn on Convert. See Convert units or currency.
Copy a calculation result
Go to the Calculator app
on your iPhone.Enter a calculation, touch and hold the calculation result in the display, then tap Copy.
Paste the result somewhere else, such as in a note or message.
You can also copy previous calculations.
Repeat the last operation
Do one of the following after completing an operation:
Apply the last operation to the current result: Tap the equal sign.
For example, if you enter “1 × 2 =”, your result is 2. Each time you tap the equal sign, the currently displayed answer is multiplied by 2, producing these results: 4, 8, 16, 32, and so on.
Apply the last operation to a new number: Enter a new number, then tap the equal sign.
For example, if you enter “100 + 15% =”, the result is 115. Then, if you enter “150 =”, the result is 150 + 15%, or 172.5.