LC ClassificationQA531.H117

algorithms(62) analysis(124) architecture(93) art(516) calculus(56) chaos(148) chaos theory(52) children(153) children's(215) complexity(45) computer science(124) computers(60) computing(44) concepts(129) cosmology(71) cubes(16) design(110) Dimension(17) dynamical systems(83) education(120) educational(51) Edwin A. Abbott(16) elementary(45) Escher(26) Flatland(58) fourth dimension(89) games(114) geometry(4,588) graphics(49) high school(81) higher dimensions(15) history(610) history of science(110) hyperspace(15) informational(149) knots(43) length(32) literature(209) logic(53) math(16,312) math concepts(51) math fiction(55) natural science(43) nature(130) number theory(102) numbers(140) patterns(119) phi(79) philosophy of mathematics(20) picture book(871) popular mathematics(67) popular science(146) preschool(63) primary(39) problem solving(54) programming(88) puzzles(90) reference(239) relativity(52) satire(203) school(61) science(1,790) science fiction(875) shapes(2,507) size(24) spacetime(19) studio(32) symmetry(52) teaching(63) time(41) toddler(62) topology(1,199) transformations(12) triangle(43) weight(24)