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Paul Sutton wrote: > Hi > > I am trying to produce chemical equations on LaTeX, the following site > gives worked examples, (well out put then code) > > http://www.physicsforums.com/showthread.php?t=9021 > > ^{33}_{17}Cl^{16}\xrightarrow{n,n}~^{31}_{15}P^{16 }+~^4_2He^2 > > If I copy & paste the following in to my document it works fine (I have > removed [tex] and {tex] as it seems to work with or without it, however > either way I get the following warnings / errors. > > the above is line 54 where the errors are. > ./latex-1.tex:54:Missing $ inserted. {^ ./latex-1.tex:54:Undefined control sequence. {^{33}_{17}Cl^{16}\ghtarrow ./latex-1.tex:54:Extra }, or forgotten $. ...ghtarrow{n,n}~^{31}_{15}P^{16 }+~^4_2He^2} > I think there is some incompatability with the code they have presented > and my interpreter, either that or some plugin is not there, odd > thing is it produces the right out put, just not sure what is causing > the errors, > > just thought someone with more experience may be able to spot the problem. > > thanks > > Paul > > I have posted the errors, sorry sometimes I have so many windows open, and so many dialog boxes things simply get confusing, i will try what was suggested though paul -- Support open file formats use ISO 26300 Open Document format as used by openoffice.org, http:///www.openoffice.org Events 15th September 2007 - Software Freedom Day 20th October 2007 - Lug clustering meeting. 18th October 2007 - Ubuntu 7.10 release date 28th October - Penzance Computers meet 11th November. Penzance Computers meet details on lug site, www.dcglug.org.uk under meetings. visit us on IRC - irc.phractured.net / 6667 #dclug -----BEGIN GEEK CODE BLOCK----- Version 3.1 GIT d S: a C+++ UL++++ P+ L++ W++ N+ W--- O! V! PS+ Y! t+++ 5 X+++ R tv- b- DI! D++ G e H! r! z? -----END GEEK CODE BLOCK---- -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html