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Welcome to the Wikipedia Mathematics Reference Desk Archives
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February 1

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 1

1. complex integration or integration w.r.t. complex measure?
2. adding every number from 1 to 100
3. Statistics/Normal Distribution (moved here from Miscellaneous desk)

February 2

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 2

1. pentiminoes
2. Poincaré conjecture
3. seeking hyperbolic cookbook
4. triangle angle bisectors2
5. Statistics/Normal Distribution
6. Hyperbolic geometry
7. summation of fractions
8. Equations
9. Twin Primes

February 3

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 3

1. algebra 1

February 4

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 4

1. Another triangle question
2. Rectangular numbers
3. Set of all integers

February 5

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 5

1. What is a tangent plane to z=f(x,y) at (a,b)?
2. This is a retarded question, but...
3. Curves of quickest descent
4. mark up question
5. Infinity + 1

February 6

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 6

1. Sterlings
2. Sum of Normal distributions
3. Kurtosis
4. If it takes 20 men 6 hours to dig a hole, how long will it take 10 men to dig half a hole?
5. Quadratic equations
6. What's x and y
7. ???
8. Independent events

February 7

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 7

1. Finding the center and radius of a circle
2. Airy function coefficients
3. Vandalism

February 8

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 8

1. Do square root of -i exists?
2. e-mail of ministry education of research center
3. Algorithm for pairing players in round-robin chess tournament
4. arcsin(\sqrt{2/3})

February 9

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 9

1. intercept
2. Vectors

February 10

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 10

1. how do you add a topic?
2. Calculation of chances of spherical spawn

February 11

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 11

February 12

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 12

1. Mathematical basis of quantum physics
2. How do you call 1/(1-x)?
3. ???
4. Frequency of occurrence

February 13

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 13

1. exchanging the variable in logarithmic cubic quations
2. Solving cubic equations
3. Anyone bored?
4. Can someone give me a question please?
5. How to pay back infinite dollars for a finite debt

February 14

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 14

1. Clearing up a few things
2. Intergral of Cosine squared X
3. Checking some derivatives
4. Homework Help!!! (I know, just hear me out)

February 15

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 15

1. matrices
2. Regression Analysis

February 16

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 16

1. Pull tabs
2. Ellipses and hyperbolas
3. Negative exponents and differential calculus help

February 17

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 17

1. homework

February 18

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 18

1. Notation confusions with physics and mathematics

February 19

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 19

1. Best calculus textbook
2. simplex method
3. Math Formatting Help

February 20

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 20

1. Fibonacci Sequences
2. primitive of 1/ln(x)
3. standard integrals
4. a mile
5. .3(9)

February 21

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 21

1. division
2. When two diagonizable matrices commute, are they simultaneously diagonizable?
3. A riddle...

February 22

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 22

1. Different answer to an integral than that given by Mathematica
2. I doubt this is the right place to ask the question, but
3. Lempel-Ziv-Welch compression algorithm example on Wikipedia
4. mathematical practical applications
5. Size of next prime number

February 23

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 23

1. How to start?
2. Check math for time dilation
3. 270 degree triangles
4. "Blackboard bold 1" with subscript

February 24

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 24

1. Length of Curved part of a circle
2. Software for category theory diagrams

February 25

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 25

1. Lindemann-Weierstrass Theorem
2. Triangle

February 26

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 26

1. Several proofs of the Goldbach conjecture on arXiv, how come?
2. What is the relationship between graph theory and topology?

February 27

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 27

1. Proofs and computerized searches
2. The next sequence
3. This would drive you nuts
4. A measure of non-concentricity - a unit or discriptor
5. Squaring the circle

February 28

Wikipedia:Reference_desk/Archives/Mathematics/2007 February 28

1. Finding first digit
2. ´how many miles are there in a kilometer? ´´´´
3. Sequences derived from Fibonacci sequence.
4. Interesting RIDDLE.. needs mathematical solution
5. Archiving
6. Pairwise permutation differences