PlanetMath (more info)
 Math for the people, by the people. Sponsor PlanetMath
Encyclopedia | Requests | Forums | Docs | Wiki | Random | RSS  
Login
create new user
name:
pass:
forget your password?
Main Menu
sections
Encyclopædia
Papers
Books
Expositions

meta
Requests (236)
Orphanage
Unclass'd (1)
Unproven (540)
Corrections (49)
Classification

talkback
Polls
Forums
Feedback
Bug Reports

downloads
Snapshots
PM Book

information
News
Docs
Wiki
ChangeLog
TODO List
Copyright
About
References to 'variation'
1. Amdahl's Law by alozano
2. an integrable function which does not tend to zero by rspuzio
3. barrel by CWoo
4. BV function by paolini
5. category of molecular sets by bci1
6. complete semilattice by CWoo
7. contraharmonic proportion by pahio
8. cryptography and number theory by archibal
9. derivative by rmilson
10. Descartes' rule of signs by PrimeFan
11. differential logic by Jon Awbrey
12. direction cosines by pahio
13. eigenvalue by Koro
14. eigenvalue (of a matrix) by mathcam
15. example of fundamental theorem of demography by mathcam
16. example of solving a functional equation by pahio
17. first fundamental form by stevecheng
18. Fresnel integrals by pahio
19. general system definitions by bci1
20. gradient by CWoo
21. graph of equation $\,xy =$ constant by pahio
22. Heaps' law by akrowne
23. Hilbert's sixteenth problem by Daume
24. Hough transform by madmortigan
25. induction by Daume
26. inversion of plane by pahio
27. Kahun Papyrus and Arithmetic Progressions by milogardner
28. line in space by pahio
29. logical graph : formal development by Jon Awbrey
30. logical graph : introduction by Jon Awbrey
31. logical implication by Jon Awbrey
32. long line by Dr_Absentius
33. Lorenz equation by Daume
34. Lucas numbers by Mathprof
35. many-sorted language by CWoo
36. mathematics vocabulary by matte
37. Mayan math by milogardner
38. molecular set and molecular class variables by bci1
39. non-deterministic pushdown automaton by Henry
40. operator norm of multiplication operator on $L^2$ by rspuzio
41. Ornstein-Uhlenbeck process by stevecheng
42. parallelism of two planes by pahio
43. pi by mathcam
44. poker by PrimeFan
45. precision recall by bzhang
46. proof of properties of universe by rspuzio
47. proof of Van Aubel's theorem by mathcam
48. proportion equation by pahio
49. quadratic character of 2 by mathcam
50. quadratrix by pahio
51. regular expression by CWoo
52. relation composition by Jon Awbrey
53. relation theory by Jon Awbrey
54. Rhind Mathematical Papyrus by milogardner
55. row reduction by rmilson
56. Rubik's cube by PrimeFan
57. self number by CompositeFan
58. set theory by mathwizard
59. solid angle by pahio
60. sphere by akrowne
61. spinor by PrimeFan
62. standard deviation by mathcam
63. stationary point by matte
64. summation by drini
65. synthetic division by mathwizard
66. text figures by PrimeFan
67. trace forms on algebras by Algeboy
68. Turing machine by Henry
69. uncertainty principle by pahio
70. variations on axiom of choice by CWoo
71. vector identities by mark_t314159
72. winding number by CWoo