How to create a formula in Numbers to fill cells based on text in another column?

Hi there. I am wanting a formula to fill in a cell if column 'A' has text in it.


For example all cells under black should be empty. Is there a formula that can do this?


Thanks in advance.



[Re-Titled by Moderator]

Original Title: Numbers formula

iMac (M3, 2023)

Posted on Jun 2, 2025 10:45 PM

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Posted on Jun 3, 2025 7:58 PM

Hi Hayley,


Sorry, ≠ means 'not equal to'. Create it by typing <>


I should have said:

Type this in B3

IF(AND($A3<>"",B$2<>"),B$2*5,"")


Numbers changes <> to ≠ and * to × (which looks like a small x but it isn't. It is the multiplication operator).

And yes, Camelot's formula is easier to understand.


Regards,

Ian.

12 replies
Question marked as Top-ranking reply

Jun 3, 2025 7:58 PM in response to HayleyHatzi

Hi Hayley,


Sorry, ≠ means 'not equal to'. Create it by typing <>


I should have said:

Type this in B3

IF(AND($A3<>"",B$2<>"),B$2*5,"")


Numbers changes <> to ≠ and * to × (which looks like a small x but it isn't. It is the multiplication operator).

And yes, Camelot's formula is easier to understand.


Regards,

Ian.

Jun 3, 2025 10:45 AM in response to HayleyHatzi

YellowBox shows one way.


I thought of it a different way.


Specifically, B3:


=IF(ISBLANK($A3),"",5×B2)


This specifically checks if the cell in column A is blank. If it is, it returns an empty cell, otherwise it returns a value (in this case, 5 x the Ratio cell B2).


It's a little easier to read, but has the side effect that it will return 0 if there's no ratio value (not sure if that's an issue or not). You can always use Number formatting to suppress 0-values.

Jun 5, 2025 8:35 PM in response to Camelot

NOT is the clearest, at the minimal cost of a net four additional keystrokes.


In a similar vein, the Numbers formula editor auto-replaces / with ÷.


I've discovered it will also happily accept ÷ (which can be input by option-/).


I tried option-/ in Excel. It accepts it with no error! But it auto-converts the ÷ to /.


But using option-/ in Google Sheets pops up a keyboard shortcuts menu.


Since I'm lazy and easily confused I think I'm going to stick with typing <> for inequality and / for division. 😀


I'm guessing these have been used in spreadsheet software since the early days of more primitive keyboards.


SG




Jun 4, 2025 11:38 PM in response to Camelot

Camelot wrote:

Option-= will work in any app, whereas substituting <> for ≠ is unique to Numbers.


Thanks for the tip on Option-=! Not sure when it's good to use it, though.


Excel on my machine throws an error when I insert ≠ in a formula using Option-=


Excel seems to need <> in formulas.


As does Google Sheets.


Is seems it's not that "substituting <> for ≠ is unique to Numbers"


Instead it's "substituting ≠ for <> is unique to Numbers"


Or something like that!


In any case, with spreadsheets it's hard to go wrong inputing <> in formulas to mean inequality.


SG


Jun 5, 2025 10:49 AM in response to SGIII

> Excel on my machine throws an error when I insert ≠ in a formula using Option-=


I meant that typing option-= acts at the system level and will always input the ≠ character, not that it's universally understood/interpreted by every application.


> In any case, with spreadsheets it's hard to go wrong inputing <> in formulas to mean inequality.


True, except that Numbers only uses ≠ since it auto-replaces the <>. If you copy this formula and paste it into Excel it copies as ≠ and Excel doesn't know what to do about it. <sigh>.


Maybe the better option is to forego <> and ≠ completely:


=NOT(A1=B1)


:)


How to create a formula in Numbers to fill cells based on text in another column?

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