Algebraic Surfaces

I clipped the images but had to stop clipping the formulas - ie: there are more formulas at the source

clipped from www1-c703.uibk.ac.at Algebraic Surfaces Calyx x2+y2z3 = z4 Dattel 3x2+3y2+z2=1 Calypso x2+y2z = z2 Columpius x3y+xz3+y3z+z3+7z2+5z=0 Cube x6+y6+z6=1 Herz y2+z3-z4-x2z2 = 0 Harlekin x3z + 10x2y + xy2 + yz2 = z3 Geisha x2yz + x2z2 = y3z + y3 Himmel und Hölle x2-y2z2=0 Kolibri x3 + x2z2 - y2 Taube 256z3-128x2z2+16x4z+144xy2z - 4x3y2-27y4 =0 Süss (x2+9/4y2+z2-1)3 - x2z3-9/80y2z3=0 Quaste Wedeln x3 = y (1-z2)2 Solitude x2yz +xy2+y3+y3z=x2z2 Möbius Torus (x2+y2+z2+R2-r2)2 = R2(x2+y2) Buggle x4y2+y4x2-x2y2+z6=0 Crixxi (y2+z2-1)2 +(x2+y2-1)3 = 0 Tuelle yz(x2+y-z) = 0 Schneeflocke x3+y2z3+yz4=0 Cylinder x2 + y2 = 1 Kreuz xyz=0 Sphäre x2 + y2+ z2 = 1 Dromedar x4 - 3x2 + y2+z3 = 0 Xano x4 +z3 = yz2 Eve 5x2 + 2xz2 + 5y6 + 15y4 + 5z2 = 15y5 + 5y3 Distel x2+y2+z2+1000 (x2+y2)(x2+z2)(y2+z2)=1 Croissant Limao x2-y3z3 = 0