# §8.3 Graphics

## §8.3(i) Real Variables

Some monotonicity properties of $\mathop{\gamma^{*}\/}\nolimits\!\left(a,x\right)$ and $\mathop{\Gamma\/}\nolimits\!\left(a,x\right)$ in the four quadrants of the ($a,x$)-plane in Figure 8.3.6 are given in Erdélyi et al. (1953b, §9.6).

## §8.3(ii) Complex Argument

In the graphics shown in this subsection, height corresponds to the absolute value of the function and color to the phase. See About Color Map.