🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийفارسیไทย한국어中文日本語EntityQ214510· pop 34· linked from 82 articlesKí pháp Ba LanAlso known as Polish notation, Polish prefix notationmathematical notation in which every operator precedes all of its operandsWikidata factsImagePrefix-dia.svgSources (1)wikidata.orgvia Wikidata · CC0Available in 33 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoBasqueBulgarianConnectionspropositional calculusEntityS-expressionEntityCategoriesLogical expressionsMathematical notationOperators (programming)Polish inventionsScience and technology in Poland