Before Fortran, programmers used Assembly or Binary code—a painstaking process where a single mistake meant hours of manual debugging.
The Birth of Computing Freedom
In late 1953, John Backus submitted a proposal to his superiors at IBM to develop a more practical alternative to assembly language for programming their IBM 704 mainframe computer. What emerged in 1957 was FORTRAN—the world's first widely used high-level language.
Designed specifically for scientific and engineering calculations, it allowed humans to write code using mathematical formulas that looked remarkably similar to algebraic notation. This revolutionary concept meant that scientists could focus on the math, rather than the machine.
Efficiency
The first compiler was so efficient that it could produce machine code as good as that written by expert human programmers.
Legacy
70 years later, Fortran remains the gold standard for high-performance computing in weather modeling and aerospace.
The Formula Translator
C A TYPICAL FORTRAN PROGRAM SEGMENT
DO 10 I = 1, 100
Y = SQRT(ABS(X(I))) + 5.0 * X(I)**3
IF (Y .GT. 400.0) WRITE(6, 100) I, Y
10 CONTINUE