From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christian Moe <mail@christianmoe.com>
Subject: Re: Spreadsheet: Conditionally apply formula to cell?
Date: Fri, 18 Mar 2016 20:08:22 +0100
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To: Loris Bennett <loris.bennett@fu-berlin.de>
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Hi,

Yes, there is. See the manual on logical operations in "Formula syntax
for Calc", which gives an example for almost exactly the same thing.

 | 1 | 2 | 13 |
 |   |   |    |
 #+TBLFM: $3=if("$1" == "nan" || "$2" == "nan", string(""), $1+$2+10);E

Yours,
Christian

Loris Bennett writes:

> Hi,
>
> If I have
>
> | 1 | 2 | 13 |
> |   |   | 10 |
> #+TBLFM: $3=$1+$2+10
>
> is there a way to suppress calculation of column 3 if, as in row 2, the
> entry in column 1 is empty?
>
> Cheers,
>
> Loris