Download Turtle Geometry: The Computer as a Medium for Exploring by Harold; diSessa, Andrea Abelson PDF

By Harold; diSessa, Andrea Abelson

Turtle Geometry offers an cutting edge application of mathematical discovery that demonstrates how the powerful use of private pcs can profoundly swap the character of a student's touch with arithmetic. utilizing this booklet and some basic desktop courses, scholars can discover the houses of area via following an imaginary turtle around the reveal. the idea that of turtle geometry grew out of the emblem workforce at MIT. Directed by means of Seymour Papert, writer of Mindstorms, this crew has performed broad paintings with preschool young children, highschool scholars and collage undergraduates.

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Download New Plane And Solid Geometry by Wooster Woodruff Beman, David Eugene Smith PDF

By Wooster Woodruff Beman, David Eugene Smith

An Unabridged Printing, to incorporate Over four hundred Figures: creation - uncomplicated Definitions - The Demonstrations Of Geometry - initial Propositions - aircraft GEOMETRY - RECTILINEAR FIGURES - Triangles - Parallels And Parallelograms - difficulties - Loci Of issues - EQUALITY OF POLYGONS - Theorems - difficulties - sensible Mensuration - CIRCLES - Definitions - primary Angles - Chords And Tangents - Angles shaped through Chords, Secants, And Tangents - Inscribed Aand Circumscribed Triangles And Quadrilaterals - Circles - difficulties - equipment - RATIO AND percentage - basic homes - the idea Of Limits - A Pencil Of strains lower through Parallels - A Pencil reduce by means of Antiparallels Or by way of A Circumference - comparable Figures - difficulties - MENSURATION OF airplane FIGURES, average POLYGONS AND THE CIRCLE - The Mensuration Of aircraft Figures - The Partition Of The Perigon - average Polygons The Mensuration Of The Circle - APPENDIX TO aircraft GEOMETRY - Supplementary Theorems In Mensuration - Maxima And Minima - Concurrence And Collinearity - good GEOMETRY - traces AND PLANES IN house- the placement Of A airplane In area - The immediately traces because the Intersection of 2 Planes - The Relative place Of A Line And A aircraft - Pencil Of Planes - Polyhedral Angles - difficulties - Polyhedra - normal And general Polyhedra - Parallelepipeds - Prismatic And Pyramidal area - Prisms And Pyramids - The Mensuration Of The Prism - The Mensuration Of The Pyramid - THE CYLINDER, CONE, AND SPHERE - comparable Solids - The Cylinder - The Cone - the field - The Mensuration Of the sector - related Solids - TABLES - Numerical Tables - Biographical desk - desk Of Etymologies - finished Index

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By Tibor Rado

This ebook used to be initially released sooner than 1923, and represents a replica of a tremendous old paintings, retaining an identical layout because the unique paintings. whereas a few publishers have opted to practice OCR (optical personality reputation) know-how to the method, we think this results in sub-optimal effects (frequent typographical blunders, unusual characters and complicated formatting) and doesn't accurately guard the old personality of the unique artifact. We think this paintings is culturally vital in its unique archival shape. whereas we attempt to thoroughly fresh and digitally increase the unique paintings, there are sometimes circumstances the place imperfections reminiscent of blurred or lacking pages, bad photographs or errant marks can have been brought as a result of both the standard of the unique paintings or the scanning technique itself. regardless of those occasional imperfections, we now have introduced it again into print as a part of our ongoing international publication renovation dedication, offering consumers with entry to the very best ancient reprints. We enjoy your figuring out of those occasional imperfections, and clearly wish you take pleasure in seeing the ebook in a structure as shut as attainable to that meant through the unique writer.

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Download Géométrie Symplectique et Mécanique: Colloque International by Michèle Audin (auth.), Claude Albert (eds.) PDF

By Michèle Audin (auth.), Claude Albert (eds.)

From the contents: M. Audin: Hamiltoniens périodiques sur les variétés symplectiques compactes de size 4.- R. Cushman et J.C. van der Meer: The Hamiltonian Hopf bifurcation within the Lagrange top.- P. Dazord: Groupoides symplectiques et troisième théorème de Lie "non-linéaire".- J.P. Françoise: Intégrales de périodes en géométries symplectique et isochore.- E. Giroux: Formes génératrices d'immersions lagrangiennes dans un espace cotangent.- Y. Kosmann-Schwarzbach: Groupes de Lie-Poisson quasitriangulaires.- A. Lichnerowicz: Groupes de Lie � constructions symplectiques ou Kähleriennes invariantes.- C. Moreno: Produits famous person sur certains G/K Kähleriens. Equation de Yang-Baxter et produits big name sur G.- R. Martinez et C. Simo: Blow up of collapsing binaries within the planar 3 physique challenge.

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