d STB-60 sg161.  Analysis of the turning point of a quadratic specification
d STB insert by Jeroen Weesie, Utrecht University, Netherlands
d Support:  J.Weesie@@fss.uu.nl
d After installation, see help ^wherext^

f sg161/wherext.ado 
f sg161/wherext.do 
f sg161/wherext.hlp