771,168: POKE 772,252 1025 LET A = 256 1040 IF A < 1 OR A > 256 THEN 30 1050 POKE 769,(A < 256) * A 1060 LET C = (26 + 27 * A + 5 * A ^ 2) / 2 1095 CALL 768: CALL 768: CALL 768: CALL 768: CALL 768: CALL 768: CALL 768: 1096 CALL 768: CALL 768: CALL 768: CALL 768: CALL 768: CALL 768: CALL 768: 1100 RETURN