In Numbers, you use the Functions Browser to learn about functions and their arguments. To open the Functions Browser, you must edit a cell that contains a formula.
Go to the Numbers app
on your iPad.
Open a spreadsheet, then select a cell where there’s an existing formula, or where you’d like to add one.
To open the Formula Editor, do one of the following:
To open the Functions Browser, swipe left or right (or use the left and right arrows on a keyboard) until you reach “Function button”, then double-tap.
Swipe until you’ve selected Categories, then double-tap to access a list of either recently used functions or functions by category.
You can also select Recent to access a list of recently used functions.
Swipe to select a category, then double-tap to see a list of the functions in that category.
Swipe until VoiceOver speaks the name of the function you want to use, then do one of the following:
To add the function to your formula, double-tap.
To learn more about the function, swipe until you hear “More Info button”, then double-tap to open the Functions Help for that function. You can read and navigate the help for that function as you would other content.
To get more help with functions, you can also read the Formulas and Functions Help.