Overview F (programming language)
1 overview 1.1 operators 1.2 data types 1.3 statement , control flow 1.4 modules overview f designed minimal subset of fortran, 1 hundred intrinsic procedures. language keywords , intrinsic function names reserved keywords in f , no other names may take exact form. f contains same character set used in fortran 90/95 limit of 132 characters. reserved words written in lowercase. uppercase letter may appear in character constant. variable names not have restriction , can include upper , lowercase characters. operators f supports many of standard operators used in fortran. operators supported f are: arithmetic operators: +, -, *, /, ** relational operators: <, <=, ==, /=, >, >= logical operators: .not., .and., .or., .eqv., .neqv. character concatenation: // the assignment operator denoted equal sign =. in addition, pointer assignment denoted =>. comments denoted ! symbol: data types similar fortran, type specification made of type, list of attributes declared variables, , va...