C3. FORTRAN & LISP

Year: 1957
Zone: Software, Languages & Systems
Band: inner
Tier: Built

FORTRAN let engineers write formulas instead of machine code; IBM shipped its compiler in 1957. One line of code was one 80-column card, and a program was a deck. Pick a statement and punch it.

FORTRAN compilerIBM, 1957
LISPMIT, 1958
Card width80 columns

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Pick a statement to punch

ISUM=ISUM+IMUSEUM01

12110123456789

Label 1 to 5Statement 7 to 72ID 73 to 80

Each column holds one character, encoded as holes in the 12 rows (Hollerith code). Letters combine a zone punch (12, 11 or 0) with a digit. Drop the deck and you got to re-sort your program.

C     THE WHOLE DECK
      ISUM = 0
      DO 10 I = 1, 10
      ISUM = ISUM + I
   10 CONTINUE

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