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References to 'coordinate systems'
1. analytic geometry by pahio
2. analytic solution of Black-Scholes PDE by stevecheng
3. analytic space by jirka
4. catenary by pahio
5. circulation and vorticity by perucho
6. conjugate diameters of ellipse by pahio
7. connection by rspuzio
8. construction of polar coordinates by CWoo
9. continuity equation by perucho
10. cross product by yark
11. curl by rspuzio
12. curvature (plane curve) by rspuzio
13. curvature determines the curve by pahio
14. derivation of unit vectors in curvilinear coordinates by swapnizzle
15. differential geometry by rspuzio
16. Einstein field equations by rspuzio
17. elliptic curve cryptography by PrimeFan
18. fundamental concepts in differential geometry by rspuzio
19. geometry by rspuzio
20. gradient by CWoo
21. gradient in curvilinear coordinates by stevecheng
22. graph of equation $\,xy =$ constant by pahio
23. Hessian and inflexion points by rspuzio
24. inflection points and canonical forms of non-singular cubic curves by rspuzio
25. isothetic by lha
26. Laplace equation in cylindrical coordinates by bloftin
27. Leibniz notation for vector fields by stevecheng
28. metric superfields by bci1
29. motion of continuum by perucho
30. order of contact by rspuzio
31. parallelogram principle by pahio
32. physical vector by rmilson
33. Poisson bracket by rspuzio
34. projective space by rmilson
35. quadratic curves by pahio
36. sines law proof by drini
37. Stein manifold by jirka
38. superfields, superspace and supergravity by bci1
39. tangent space by rmilson
40. ternary ring by CWoo
41. transition to skew-angled coordinates by pahio
42. vector field by mathcam
43. vector fields: Lagrangian and Eulerian description by perucho