roconnor@math.berkeley.edu wrote: > > > How about making default method for asin > > asin x = atan(x/sqrt(1-x^2)) > > Can't be worse than the default for (**) ;-) > Oh, it can. As well as its own problems when x is close to 1, it inherits, through the default definition of sqrt, the problems of (**) when x is near 0. --brian