### Navigation

- index
- modules |
- modules |
- next |
- previous |
- SciPy v0.12 Reference Guide (DRAFT) »
- Special functions (`scipy.special`) »

# scipy.special.sici

`scipy.special.``sici`(x[, out1, out2]) = <ufunc 'sici'>

  (si,ci)=sici(x) returns in si the integral of the sinc function from 0 to x: integral(sin(t)/t,t=0..x). It returns in ci the cosine integral: eul + ln x + integral((cos(t) - 1)/t,t=0..x).

### Navigation

- index
- modules |
- modules |
- next |
- previous |
- SciPy v0.12 Reference Guide (DRAFT) »
- Special functions (`scipy.special`) »