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Online Computer Terms Dictionary - P

prefix notation

<language> (Or "prefix syntax") One of the possible orderings of functions and operands: in prefix notation the function precedes all its operands. For example, what may normally be written as "1+2" becomes "(+ 1 2)". A few languages (e.g., lisp) have strictly prefix syntax, many more employ prefix notation in combination with infix notation.

Compare: postfix notation.



Nearby terms: pre-emptive multitasking prefetch prefix prefix notation prefix syntax pre-order pre-order traversal