integration problem

[Arno K]

Quote:integral(SIN(x)dx,0,pi) = approx(-180*COS(pi)/pi + 180/pi) a b/c -> 86.11E-3 on the physical prime (!)

because your angle mode is set to degrees instead of radians which you should use for calculus tasks.

Quote:integral(SIN(n)dn,0,pi) = 2 on the virtual prime (n because of question 1)

because your active application is Sequence, this x...key changes its behaviour according to that.
Your table can easily be made using makelist :MAKELIST(int(sin(x),x,0,t),t,0,PI,pi/5).
Arno