Thanks guys, in the end using R to round numbers and latex resizebox to shrink table fonts as Andreas suggested works best for me.
Cheers, Zhihao #+name: origtable | 124.195548 | 310.528 | | 120.848541 | 122.70234 | #+name: formatorigtable #+begin_src R :var origtable=origtable :colnames yes origtable[,1:2] <- format(origtable[,1:2], digits=3) origtable #+end_src #+results: formatorigtable #+LaTeX: \resizebox{\textwidth}{!}{ | 124.195 | 310.528 | | 120.848 | 122.702 | #+LaTeX: } > On 6 Dec 2014, at 11:04, Eric S Fraga <e.fr...@ucl.ac.uk> wrote: > > On Friday, 5 Dec 2014 at 14:39, Zhihao Ding wrote: >> Thanks a lot Andreas. Is there a way to globally >> shrink/resize table for latex export without having > > Beamer allows for shrinking of a whole frame to ensure it fits: > > --8<---------------cut here---------------start------------->8--- > * Frame title > :PROPERTIES: > :BEAMER_optimisation: shrink > :END: > > | my | table | > | et | cetera | > --8<---------------cut here---------------end--------------->8--- > > The shrink option can also specify a percentage, as in "shrink=20". > > -- > : Eric S Fraga (0xFFFCF67D), Emacs 25.0.50.1, Org release_8.3beta-581-g0e52f0