Early FORTRAN
C THIS PROGRAM READS INTEGERS INTO AN ARRAY, STORING C THE ABSOLUTE VALUES, THEN COMPUTES AND PRINTS THE C AVERAGE. DIMENSION DTA(900) C READ THE NUMBER OF INPUT VALUES READ 10, N 10 FORMAT(I3) C READ THAT MANY NUMBERS, STORING ABSOLUTE VALUES DO 20 I = 1, N READ 30, DTA(I) 30 FORMAT(F10.6) IF(DTA(I)) 25,20,20 25 DTA(I) = -DTA(I) 20 CONTINUE C COMPUTE THE SUM OF THE NUMBERS SUM = 0.0 DO 40 I=1, N SUM = SUM + DTA(I) 40 CONTINUE C COMPUTE AND PRINT THE AVERAGE AVG = SUM/FLOAT(N) PRINT 50, AVG 50 FORMAT(1H ,F10.6) STOP END