NaN message?

[roadrunner]

(04-08-2016 08:32 PM)Tim O Wrote:  I am trying to integrate the function f(x)=ln(2+sin(x)) from x=3 to 5 and I get NaN message.
Can someone tell me why?

Try this:

∫(ln(2+sin(x)),x,3.0,5)

Note the 3 is typed 3.0 not just 3

Then you get about 0.555 for an approx answer. It's an approx/exact issue.

-road