(n) a parenthesis-free notation for forming mathematical expressions in which each operator precedes its operands, Syn. Polish notation, Lukasiewicz notation
[萧万长 / 蕭萬長, Xiāo Wàn chángㄒㄧㄠ ㄨㄢˋ ㄔㄤˊ] Vincent C. Siew (1939-), Taiwanese diplomat and Kuomintang politician, prime minister 1997-2000, vice-president from 2008#70624