out of curiosity, do common spreadsheets implement the feature of
distinguishing calculated results from entered values? i find myself
wanting that too, but don't know if that desire is unusual.
On 8/27/21, Nick Dokos <ndo...@gmail.com> wrote:
> Jarmo Hurri <jarmo.hu...@iki.fi> writes:
>
>> Greetings Norwid.
>>
>> Norwid Behrnd <nbeh...@yahoo.com> writes:
>>
>>> try extending the format of the table formula with asterisks, i.e.
>>>
>>> ```
>>> | quantity | value |
>>> |----------+--------|
>>> | A | 1 |
>>> | B | 3 |
>>> |----------+--------|
>>> | *C* | *0.33* |
>>>
>>> #+TBLFM: @4$2=@-2/@-1; *%.2f*
>>> ```
>>>
>>> Subsequently, issue the call ```C-c *``` for an update while the
>>> cursor is within the table. This approach works well enough for me
>>> (equally for emphasis with enclosing forward slashes, or underscores)
>>> in Emacs' native display (backed by elpa-org 9.4.0) as well as for a
>>> subsequent export into .html and display (e.g., in Firefox), or .tex.
>>
>> Excellent, this is a working solution for the basic case. Much
>> appreciated!
>>
>> This solution seems to change the contents of a cell, not only its
>> formatting. So the following, where I try to increase the value of "C"
>> by one, leads to an error:
>>
>> ```
>> | quantity | value |
>> |----------+--------|
>> | A | 1 |
>> | B | 3 |
>> |----------+--------|
>> | *C* | *0.33* |
>> | D | #ERROR |
>>
>> #+TBLFM: @4$2=@-2/@-1; *%.2f*::@5$2=@-1+1
>> ```
>>
>> I wonder if there is a way around this effect?
>>
>
> The error here is that `*0.33*' is no longer a string that can be converted
> to a number,
> so the calculator barfs.
>
> TUrn on formula debugging with `C-c {' and try evaluating it.
>
> --
> Nick
>
> "There are only two hard problems in computer science: cache
> invalidation, naming things, and off-by-one errors." -Martin Fowler
>
>
>
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