sum=((2.01546797*2+rho*(
+ (-28.17881636)*3+rho*(
+ 28.28313847*4+rho*
+ (-10.42402873)*5)))
+ +((-19.58371655)*2+rho*(
+ +75.62340289*3+rho*(
+ (-120.70586598)*4+rho*(
+ +93.92740328*5+rho*
+ (-27.37737354)*6))))/dsqrt(T)
+ + ((29.34470520*2+rho*(
+ (-112.35356937)*3+rho*(
+ +170.64908980*4+rho*(
+ (-123.06669187)*5+rho*
+ 34.42288969*6))))+
+ ((-13.37031968)*2+rho*(
+ 65.38059570*3+rho*(
+ (-115.09233113)*4+rho*(
+ 88.91973082*5+rho*
+ (-25.62099890)*6))))/T)/T)*rho**2
--Sergius (talk) 12:41, 8 January 2013 (CET)