62126f32-a5b1-4e01-88c1-75145158bd44 10 3 5 decimal

&[DATE] &[TIME] - &[FILENAME]

x m 1 x ln / x int maple : 1 x ln - Ei -

1 x ln / x a b int maple 1 b ln - Ei - 1 a ln - Ei +

1 x ln / x 21000 int 176.566

should be 176.564.... and Smath gives 177.1

http://www.wolframalpha.com/widgets/view.jsp?id=8ab70731b1553f17c11a3bbc87e0b605

Romberg integrator to rescue Smath f a b Int Romberg definite integrator get the 7 Mathematica decimals set options/integral/accuracy 1000 x f x a b int 32 / b a - (* w G w 01 int * ≡ (memo ≡ w s b a - (34 / 2 w * 1 - (* 14 / 2 w * 1 - (3^* - 12 / + (* a + : w G w s f 12 w * 1 - (2^- (* : 32 / b a - (* w G w 01 int * 71 line :

x f 1 x ln / :

f 21000 Int 176.5644942

Mathematica 176.5644942 ≡