Doing this gives the rounded output: (C6) FPPREC:12; (D6) 12 (C7) FPPREC; (D7) 12 (C8) 57.50+14.95+18.95+8.95+22.95+12.95+7.95+6.95+19.95+12.95+8.95+9.95+16.95 +19.95+11.95 ; (D8) 251.8 FPPREC sets the floating point precision.