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Izidor Hafner
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Demonstrations 81  100 of 952
RuffiniHorner Method for Polynomials with Rational Roots
SwingandTwist Hinged Dissection of One Regular Heptagon into Eight
Dissection of an Equilateral Spherical Triangle into Two Congruent Equilateral Spherical Triangles
Sines of the Dihedral Angles of a Tetrahedron
Dissection of an Octagram into Five Octagrams
Dissection of a Spherical Square into Two Spherical Regular Pentagons
Dissection of Two Spherical Triangles to Three Spherical Squares
Op Art on a Sphere
Hanegraaf's Dissection of a Truncated Octahedron into a Hexagonal Prism
Hinged Dissection of a Regular Heptagon into Eight Smaller Ones
Hinged Dissection of a Hexagram into Seven Smaller Ones
Dissection of a Regular Dodecagon into Six Smaller Ones
Descartes's Rule of Signs
Sturm's Theorem for Polynomials
Rational Roots of a Polynomial
Dissection of an Dodecagram into Three Dodecagrams
Dissection of a Regular Dodecagon into Three
Dissection of a Regular Heptagon into Eight
Dissection of One Regular Heptagon into Seven
Dissection of One Hexagram into Seven
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