EntityQ2345603· pop 23· linked from 224 articlesplastic ratioSign in to saveunique real number solution to the equation x^3-x-1=0ConnectionsPerrin numberEntityPisot–Vijayaraghavan numberEntitytwelfth root of twoEntityFrenchEntityDutchEntityPiConceptInternational Standard Book NumberEntityplasticEntityrational numberEntitydigital object identifierEntitymatrixEntityparallelogramEntityInternational Standard Serial NumberEntitygolden ratioEntityirrational numberEntityDonald KnuthEntityEuler's numberEntitypentagonEntityG.H. HardyEntityabsolute valueEntityCategoriesComposition in visual artCubic irrational numbersHistory of geometryInteger sequencesMathematical constants