Wikipedia:Reference desk/Archives/Mathematics/April 2014

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April 1

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 1

1. Other extension of cone to 'hypercone'

April 2

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 2

1. Is my statistics book wrong?
2. Equation to fit a curve
3. Math question

April 5

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 5

1. What's the name for this?
2. Numbers whose prime factors include only 2 and 3

April 6

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 6

1. sum of reciprocals of numbers with k different prime numbers diverges for all k?
2. Small circles on a 2-sphere

April 7

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 7

1. How can I integrate these two rational functions?
2. How to check my antiderivative?
3. Can't you calculate exactly how long an infinite amount of monkeys would take to type "Hamlet"?
4. Abstract Algebra: GCD

April 8

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 8

1. One Last Coincidence
2. Lorentz group: Exponential mapping onto?
3. Expressing 2.5cm in mm?

April 9

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 9

1. Calculating flow

April 10

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 10

1. Odds and evens
2. Saltire question
3. Rotation of the 24-cell question
4. Commutative exponentiation

April 11

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 11

1. Group (one op), rings (two ops), ???? (three ops)
2. CALCULUS question: Formula for integral of tan x

April 12

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 12

1. What is the relation between death rates and life expectancy?
2. How to Calculate this?
3. Write as a decimal the sum of 300 hundreds and 109 hundredth

April 13

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 13

1. Lotto odds for 2 tickets

April 14

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 14

1. Magma, or groupoid, (algebra)

April 15

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 15

1. Special mappings for the 24 cell?

April 16

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 16

1. md5 preimage attack question
2. bit commitment scheme

April 18

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 18

1. Extreme points problem

April 19

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 19

1. Integral

April 21

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 21

1. Inverse Richardson-Dushman equation

April 22

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 22

1. Likelihood two polling responses are different
2. x=2^n question
3. The natural numbers

April 23

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 23

1. fitting a circle to grid points
2. Propositional Logic proof

April 24

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 24

1. Volumes of the Kepler-Poinsot polyhedra
2. Is this a system I ought to recognise ?

April 25

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 25

1. Non-integer "modular arithmetic"
2. Basic Proof About Supremum

April 26

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 26

1. 1/2÷1/2
2. Variant of the modulo operation

April 27

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 27

1. Space Filling "Solids" in the 4th Dimension???...
2. How much EDGES has a VERTICE by:...

April 28

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 28

1. Expression for a Gamma-like Function
2. A Space with Space-filling Dodecahedrons ???!!!...

April 29

Wikipedia:Reference_desk/Archives/Mathematics/2014 April 29

1. One-way function with certain properties?
2. Enter recurring decimal into calculator
3. For every x^n, is there a
4. Possible # Swipe Passwords for my phone.