> Uwe Brauer <o...@mat.ucm.es> writes:
> I'm not very familiar with calc, but am wondering if the issue is the > 'nan'. In many languages, a nan is a 'polluting' variable i.e. once you > have a nan as a form anywhere in your calculation, the result will > always be a nan. Many languages actually have a special function to test > for a nan because it isn't actually a 'value'. Don't know if this is the > case with calc. Yeah, when I googled, I found complains about nan using in calc but I did not really found an working alternative. > Perhaps an alternative strategy might help. Could you address what is > generating the nan and change that so that it generates something else, > possibly even a blank string and avoid the nan altogether? I tried nil and other expressions but non really worked, so maybe a calc guru could clarify? Regards
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