Hi Andreas On Mon, Jul 15, 2013 at 8:47 AM, Andreas Leha <andreas.l...@med.uni-goettingen.de> wrote: > I have two questions concerning tables in orgmode:
I try to answer your first question: > 1. What is the best way to handle missing values? > I have the problem, that missing values ("") are treated as "0" when they > appear in a formula. > Entering ("nil") instead helps a bit, but does not propagate, > i.e. nil + 1 results in 0. > Can I do better? Is this what you are looking for?: | Tomato | | | | Pear | 3.00 | 6.00 | #+TBLFM: $3 = if("$2" == "nan", string(""), 2 * $2 +.0); E f-2 For "E" see http://orgmode.org/org.html#Formula-syntax-for-Calc and for "+.0; f-2" see http://orgmode.org/worg/org-faq.html#table-float-fraction Michael