F(SFR), the distribution function of SFRs, of the two exponential and four power-law SFHs (Eqs. (34)–(39) with Eqs. (41)–(42)) for β = 2.0 (black) and β = 2.3 (red). Each data point corresponds to one SC formation epoch. Error bars are indicated if they are large enough to display. Except for the delayed-exponential SFH, all F(SFR) can be exactly fitted by a power law according to Eq. (44). The corresponding index γ and the considered SFH are given in the corner of each panel. The panels are arranged such that γ increases from the upper left to the lower lef by viewing in clockwise direction. (A color version of this figure is available in the online journal.)