[julia-users] Strange results in using symbolic calculation

[Thanh Nguyen]

Oops, you said that subs(f2(x), x, 1) is a symbolic value, then why followings:

subs(f2(x), x, 1)+1.  ==>  3.0000000000
subs(f2(x), x, 1)+1  ==> 3

Thank you.