EntityQ2896043· pop 8· linked from 6 articleseuclidean fieldSign in to saveordered field where every nonnegative element is a squareConnectionsconstructible numberEntityPythagorean fieldEntitymathematicsEntityInternational Standard Book NumberEntitycomplex numberEntityreal numberEntityrational numberEntityirrational numberEntityalgebraic numberEntitysquare root of 2Entitycompass and straightedge constructionEntityalgebraic number fieldEntityAmerican Mathematical SocietyEntitySpringer Science+Business MediaEntityhyperreal numberEntityfield extensionEntityEuclidean domainEntityPlanetMathEntityMathematical ReviewsEntityordered fieldEntityCategoriesField theory