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Contents 1 April 1 2 April 2 3 April 3 4 April 4 5 April 5 6 April 6 7 April 7 8 April 8 9 April 9 10 April 10 11 April 11 12 April 12 13 April 13 14 April 14 15 April 15 16 April 16 17 April 17 18 April 18 19 April 19 20 April 20 21 April 21 22 April 22 23 April 23 24 April 24 25 April 25 26 April 26 27 April 27 28 April 28 29 April 29 30 April 30

[edit] April 1

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 1

1. the number of cows in great britain²
2. Fraction exponents
3. toyota symbol
4. Stuck on proving an inequality
5. Counting, continued
6. Approximating curves
7. Numbers
8. Binomial expansion for complex powers

[edit] April 2

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 2

1. is a sum of f(eigenvalue) meaningful?
2. Simple groups

[edit] April 3

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 3

1. time for thrown baseball to reach height s
2. how to generate prime numbers?
3. why cannot we find ln(-1)?
4. Geography
5. ox proportional hazards model

[edit] April 4

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 4

1. Foot and Penis Size
2. ifferentation
3. largest prime number
4. Angle problem

[edit] April 5

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 5

1. quare root of pi
2. Triangle integrals?
3. how to undestand this?
4. Initial Value Problems convergence etc
5. Famous function?
6. Volume of sphere
7. Proof that Ke^x for contants K are the only functions that are their own derivative
8. Which Statistical Test?

[edit] April 6

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 6

1. Sweeping the floor
2. Numbers not definable

[edit] April 7

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 7

1. oor Little Suzy
2. ew exciting developments ?

[edit] April 8

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 8

1. Advantages!
2. ig pi notation
3. Carpet cleaning
4. Factorial Problem
5. significant or nonsignificant

[edit] April 9

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 9

1. y = x^2
2. Is there are a statistical method like this?

[edit] April 10

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 10

1. Operations on PowerSeries
2. Logrithm? Solve for x in this?

[edit] April 11

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 11

1. Name for the set of all solutions
2. Volume
3. what is the fastest way to test prime aprime number?
4. Mathematical Transforms
5. Existence of a radical of a Lie algebra
6. Triangulation

[edit] April 12

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 12

1. maginary Interest Rate
2. Unfamiliar Curve
3. Statistical Significance in an Experiment with 3 Possible Results
4. Probability?
5. Whahaha? (horses and goats)

[edit] April 13

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 13

1. .9 repeating = 1???
2. Lottery number 1 to 6
3. Predictor -corrector stuffq

[edit] April 14

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 14

1. ynthetic division
2. Logical equation reduction
3. Linear equation solvers
4. average distance of a cube from its center

[edit] April 15

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 15

1. Math question
2. Line of Best Fit

[edit] April 16

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 16

1. i in other bases
2. 00% of 200
3. Divergent series
4. E(3)
5. Localisation of a graded ring, how can be it be a graded ring as well?.

[edit] April 17

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 17

1. Best Approximation
2. Americans can't count
3. Rolling Standard Deviation
4. Generalizing Hoelder's inequality

[edit] April 18

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 18

1. A power series
2. statistics:hypothesis testing, Type 1 and type 2 error
3. Why do 1+1=2?
4. Equvalence relation vs. partition
5. Partial knowledge

[edit] April 19

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 19

1. More Hölder inequality fun
2. Significant_figures

[edit] April 20

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 20

1. The integral of cosz / z(z^2 +8) dz?
2. Inter-rater agreement: Are there different alternatives for calculation of the confidence interval for kappa?
3. Freaky triangles - Where did those two squares come from???

[edit] April 21

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 21

1. How many different ways can I express 1,-1,1,-1, ... as a one-variable function?
2. Test question
3. Prime Numbers

[edit] April 22

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 22

1. Math Songs
2. Cubic Functions
3. Polynomial sequence
4. USB symbol
5. Quadratic Equations
6. uploading of math diagrams

[edit] April 23

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 23

1. E(max{d20+x₁,d20+x₂,...,d20+x_n})
2. what is?
3. Connections within a hypercube
4. Dirichelet eta and Riemann Zeta

[edit] April 24

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 24

1. PrefixSpan Algorithm
2. orrelated random walks
3. on-random number generator

[edit] April 25

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 25

1. Conic Section
2. Inverse of NxN Matrices Mod M (Hill cipher)
3. Help with surds
4. Factors

[edit] April 26

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 26

1. Refunding overpayments from accounts receivable
2. Dimension of orthogonal complements
3. Log functions
4. Solve an equation of 4th order

[edit] April 27

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 27

1. choice function
2. ums of cubes
3. ore average than average
4. Quarternions as applied to computer graphics

[edit] April 28

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 28

1. Iterative method: Cost of moving and cost of evaluation
2. solvable subgroup
3. cyclic group
4. Initial value problems
5. meaning of k in combinations and permutions

[edit] April 29

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 29

1. aths Competition
2. math property
3. More qualifying examination preparation
4. Error in Number Theory book?

[edit] April 30

Wikipedia:Reference_desk/Archives/Mathematics/2007 April 30

1. Analysis exercise bank
2. Difference?
3. 1+1=2 ... why???