# Math Help - Chebyshev Function (I think)

1. ## Chebyshev Function (I think)

. . . . ............x
Let θ1(x) = 1 θ(t)dt, for x > 1

How would i go about calculating θ1(6.5) using the above deﬁnition?

Am i right in thinking this is the chebyshev function?

Thanks!