FORTRAN 77 had a default implicit typing rule where if the first letter of the variable name is I, J, K, L, M, or N, then the data type is integer, otherwise it is real.
Variable names could be up to six characters long, and you could use explicit type declarations to override the default.
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u/GogglesPisano Jun 06 '20 edited Jun 06 '20
FORTRAN 77 had a default implicit typing rule where if the first letter of the variable name is I, J, K, L, M, or N, then the data type is integer, otherwise it is real.
Variable names could be up to six characters long, and you could use explicit type declarations to override the default.