postfix notation
nounUK /ˌpəʊstfɪks nəʊˈteɪʃən/
US /ˌpoʊstfɪks noʊˈteɪʃən/
A way of writing math where the numbers come first and the sign comes last.
In postfix notation, you write 3 4 + instead of 3 + 4.
RELATED WORDS
OTHER MEANINGS
2. A notation in which an operator follows its operands.
Calculators like the HP-12C use postfix notation for quick entry.
3. A method of writing expressions that removes the need for parentheses.
Postfix notation makes it easy for computers to evaluate complex formulas.
4. A style of notation used in computer science for parsing expressions.
The compiler converts infix expressions into postfix notation before evaluation.