[12:55] int rndNum = rnd.nextInt(steps + 1); [12:55] double shift = config.getAlellesStep()[index] * rndNum; [12:55] where debugger shows that rndNum=6, config.getAlellesStep()[index] = 0.1 [12:55] could anyone explain me why the result is 0.6000000000000001 ? [12:55] :-) [12:58] unforunately, this is reality, jdk 1.6 [15:42] I just built an extension tried to run it it shows the error can any body tell what it means com::sun::star::uno::RuntimeException [15:42] can any body help