## polish-notation

Noun

- (arithmetic, logic) A notation for arithmetic (logical) formulae in which operations (respectively, quantifiers and operands) are written immediately before their operands, used to avoid the need for parentheses; for example, 3 * (4 + 7) is written as * 3 + 4 7 and
*A*AND*B*is written as AND*A**B*.

Origin

After the nationality of the logician Jan Åukasiewicz

## polish notation - Computer Definition

A method for expressing a sequence of calculations developed by the Polish logician Jan Lukasiewicz in 1929. For example, **A(B+C)** would be expressed as
*** A + B C**. In reverse Polish notation, it would be **A B C + ***.