DLMF:

Figure 6.3.2 (See in context.)

Figure 6.3.2: The sine and cosine integrals $\mathop{\mathrm{Si}\/}\nolimits\!\left(x\right),\mathop{\mathrm{Ci}\/}% \nolimits\!\left(x\right)$ , $0\leq x\leq 15$ .

Annotations:

Symbols:: $\mathop{\mathrm{Ci}\/}\nolimits\!\left(z\right)$ : cosine integral, $\mathop{\mathrm{Si}\/}\nolimits\!\left(z\right)$ : sine integral and : real variable
Keywords:: cosine integrals, sine integrals
Permalink:: http://dlmf.nist.gov/6.3.F2.mag
Encodings:: Magnified png, pdf