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Use Calculator on iPod touch
In the Calculator app , you can perform basic arithmetic calculations with the standard calculator. Or use the scientific calculator for exponential, logarithmic, and trigonometric functions.
Siri: Say something, like “What’s 74 times 9?” or “What’s 18 percent of 225?” Ask Siri on iPod touch.
![The standard calculator with basic arithmetic functions.](https://help.apple.com/assets/6222428998C2CE34C75A5252/6222428C98C2CE34C75A527C/en_US/1bc71a379e64b9b19fb56017d14f9513.png)
Use the scientific calculator
Rotate iPod touch to landscape orientation.
![iPod touch in landscape orientation showing the scientific calculator with exponential, logarithmic, and trigonometric functions.](https://help.apple.com/assets/6222428998C2CE34C75A5252/6222428C98C2CE34C75A527C/en_US/ed2f8a4f9976044f61c332c56b68f7ea.png)
Copy, delete, or clear numbers
Copy a calculation result: Touch and hold the calculation result in the display, tap Copy, then paste the result somewhere else, such as a note or message.
Delete the last digit: If you make a mistake when you enter a number, swipe left or right on the display at the top.
Clear the display: Tap the Clear (C) key to delete the last entry, or tap the All Clear (AC) key to delete all entries.