HEC-1
Encyclopedia
HEC-1 is software that was developed by the US Army Corps of Engineers to estimate river flows as a result of rainfall. It was written in the FORTRAN
language and until 1984 could only be run on a mainframe computer. When desktop computers became popular the program was ported to the PC. Engineers and Scientists still use it today because of its ability to model a wide range of natural hydrologic systems.
Fortran
Fortran is a general-purpose, procedural, imperative programming language that is especially suited to numeric computation and scientific computing...
language and until 1984 could only be run on a mainframe computer. When desktop computers became popular the program was ported to the PC. Engineers and Scientists still use it today because of its ability to model a wide range of natural hydrologic systems.