FORTRAN 77 with MTS and the IBM PS/2Collegeof Engineering, University of Michigan, 1988 - FORTRAN (Computer program language) |
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algebraic ALPHA appear appropriate arithmetic expressions array name ASCII assignment statement AVGA BETA blank block bytes calling program corresponding DATA declaration data line decimal point device digits DIMENSION diskette displayed dummy arguments E-type elements end-of-file equivalent error Example Program executable statement Exercises for Section F-type FALSE field specification flow diagram FORMAT declaration format specification FORMAT statement FORTRAN compiler FORTRAN function FORTRAN program function name function reference I/O unit IBM PC input and output input list input statement integer integer constant integer variable iteration keyboard list-directed literal strings logical expressions loop main program matrix Michigan Terminal System monitor object program operands option output list output statements parentheses printed program segment READ statement real type real variables RETURN statement sequence shown in Table source program statement number storage stored subprogram subroutine subscripts TELECOPY terminated unit record variable names vector WRITE statement Z FORMAT
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Page 2-5 - FORTRAN compiler be aware of which of the two internal number representations will be used for each variable in the program. FORTRAN uses the following implicit type or mode assignment for each variable name in the program: 1. If the variable name begins with any of the letters I, J, K, L, M, or N, then the variable value is stored in integer form in the associated memory location.