This is TeX, Version 3.141592 (Web2C 7.5.6) (format=tex 2010.10.30) 15 MAY 2013 13:55 **eqn.tex (./eqn.tex [1] [2] Overfull \hbox (31.79292pt too wide) detected at line 232 \teni D[] \tenrm = [][] []| \hbox(15.65013+11.30002)x326.21849 .\teni D .\hbox(4.78334+0.0)x8.8764, shifted 1.49998 ..\seveni M .\glue 10.00002 .\glue(\thickmuskip) 2.77771 plus 2.77771 .\tenrm = .etc. [3] [4] ) Output written on eqn.dvi (4 pages, 8620 bytes).