00100 C CALIBRATES THE CALCOMP PLOTTER 00200 C MAKES A SQUARE 5 INCHES ON A SIDE 00300 INTEGER Z 00400 CALL PLOTS(Z) 00500 IF (Z.EQ.0) GO TO 1 00600 PAUSE 'PLOTTER...OK ' 00700 1 CALL PLOT(1000,0,2) 00800 CALL PLOT(1000,1000,2) 00900 CALL PLOT(0,1000,2) 01000 CALL PLOT(0,0,2) 01100 PAUSE 'AGAIN? ' 01200 GO TO 1 01300 END