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?” , then tap Basic.
Go to the Calculator app on your iPad.
Tap Solve math with Math Notes.
Draw graphs: Tap Math Notes, tap on your iPad.
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 Read math equations