susi susi-double susi-single susi-double-in-brackets susi-double-in-brackets IN IN -NOT IN [] + [] = [] = [] [] + [] = [] = [] [hugo ] + [ist doof] = [hugo ist doof] = [hugo ist doof] [hugo ist ] + [doof] = [hugo ist doof] = [hugo ist doof] susi and sepp hugo, susi and sepp CheckBool2: error handling 1*1=1=0 ERROR! Check AND (2): 0*0=0=0 0*1=0=0 1*0=0=0 1*1=1=1 Check OR (2): 0*0=0=0 0*1=1=1 1*0=1=1 1*1=1=1 Check XOR (2): 0*0=0=0 0*1=1=1 1*0=1=1 1*1=0=0 CheckNumeric2: error handling 1 + 2 = 12 = 17 ERROR! Check "+" (2): 1 & 2 = 3 = 3 1 & -2 = -1 = -1 -1 & 2 = 1 = 1 -1 & -2 = -3 = -3