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Result 61 to 80 of 328 total

Groups associated with conics. (English)
Math. Gaz. 93, No. 526, 27-41 (2009).
Classification: G70 G90 H70 Reviewer: Ramesh Kapadia (London)
61
Using the Geometer\rq s Sketchpad. Pt. 3: Drawing curves. (English)
Math. Sch. (Leicester) 38, No. 1, 8-11 (2009).
Classification: R20 U70 G40
62
Ellipse or parabola? (Ellisse o parabola?) (Italian. English summary)
Archimede 61, No. 2, 68-74 (2009).
Classification: G70 G40 G60
63
Properties of conics in an Eighteenth-century manuscript. (Proprietà delle coniche in un manoscritto del settecento.) (Italian. English summary)
Archimede 61, No. 2, 82-86 (2009).
Classification: A30 G40 G70 Reviewer: Claudio Bernardi (Roma)
64
On the trace of the ellipse. Elementary and experimental approaches from grade 4 up. (Auf der Spur der Ellipse. Elementare und experimentelle Zugänge ab Klasse 4.) (German)
PM Prax. Math. Sch. 51, No. 29, 35-40 (2009).
Classification: U62 U63 G42 G43 G72 G73 D42 D43
65
Algebraic geometry ‒ an insight. (Algebraische Geometrie ‒ Ein Einblick.) (German)
Mathematikinformation, No. 51, 3-33 (2009).
Classification: H74 G94
66
An elementary approach to quadrics in ${\bbfR}^3$. (Ein elementarer Zugang zu Quadriken im ${\bbfR}^3$.) (German)
Math. Unterr., No. 2, 5-13 (2009).
Classification: G74 H64
67
Binet’s equation. (Binetova enačba.) (Slovenian. English summary)
Mat. Šoli 15, No. 3-4, 234-249 (2009).
Classification: M54
68
Triangles and parallelograms of equal area inside the hyperbola. (English)
Math. Spectr. 42, No. 2, 70-74 (2010).
Classification: G30 G40 G70 Reviewer: Gerd Walther (Kiel)
69
Making the curriculum of Analytic Geometry more attractive: ‒ Parametric representations, parts of planes ‒. (Das Analytische Geometrie-Curriculum attraktiver machen: ‒ Parameterdarstellungen, Ebenenteile ‒.) (German)
Mathematikunterricht 55, No. 3, 32-52 (2009).
Classification: G70 U70 R20 M80
70
Conic sections are sections of cones: A plea for the revival of an interesting topic. (Kegelschnitte sind Kegel-Schnitte: Plädoyer für die Renaissance eines interessanten Themas.) (German)
Mathematikunterricht 55, No. 3, 16-30 (2009).
Classification: G70 U70 R20
71
An elementary proof for the falling apart of the intersection line of two cones of revolution that are tangent to a common sphere. (Ein elementarer Beweis für den Zerfall der Durchdringungskurve zweier Drehkegel, die eine gemeinsame Kugel berühren.) (German)
IBDG, Inf.bl. Geom. 26, No. 2, 12-13 (2008).
Classification: G40 G80
72
What does $f_{xx}f_{yy} - f_{xy}^{2} > 0$ really mean? (English)
PRIMUS, Probl. Resour. Issues Math. Undergrad. Stud. 18, No. 5, 456-474 (2008).
Classification: I65
73
Strange questions by students. (Verquere Schülerfragen.) (German)
Mathematikinformation, No. 49, 24-37 (2008).
Classification: D50 M50 U70 G70 R20
74
Constructions in virtual space. (Konstruieren im virtuellen Raum.) (German)
Mathematikunterricht 54, No. 5, 53-56 (2008).
Classification: G40 U70 R20
75
Thinking conics. (English)
Math. Teach. Inc. Micromath 2008, No. 208, 31-33 (2008).
Classification: B50 G79
76
FeliX ‒ using algebra to do geometry. (FeliX ‒ mit Algebra Geometrie machen.) (German)
Comput.algebra-Rundbr. 2008, Sonderheft, 15-17 (2008).
Classification: R20 R30 G70 U70
77
Bicentric quadrilaterals and polygons. (Bizentrische Vier- und Vielecke.) (German)
Wurzel 42, No. 3-4, 70-71 (2008).
78
On the seventh ellipse and on the thirteenth hyperbola. II. (O sedminové elipse a třináctinové hyperbole. II.) (Czech)
Mat. Fyz. Inform. 17, No. 3, 140-144 (2007).
Classification: G70
79
The construction of a generic system: conic sections. (La construcción de un sistema genérico organizacional: las secciones conoídicas.) (Spanish. English summary)
Epsilon (Puerto Real) 23, No. 67, 65-82 (2007).
Classification: G75 C35 D25
80

Result 61 to 80 of 328 total

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