Wikipedia:Reference desk/Archives/Mathematics/April 2014

= April 1 = Reference_desk/Archives/Mathematics/2014 April 1


 * 1) Other extension of cone to 'hypercone'

= April 2 = Reference_desk/Archives/Mathematics/2014 April 2


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

= April 5 = 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 = 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 = 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 = 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 = Reference_desk/Archives/Mathematics/2014 April 9


 * 1) Calculating flow

= April 10 = 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 = 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 = 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 = Reference_desk/Archives/Mathematics/2014 April 13


 * 1) Lotto odds for 2 tickets

= April 14 = Reference_desk/Archives/Mathematics/2014 April 14


 * 1) Magma, or groupoid, (algebra)

= April 15 = Reference_desk/Archives/Mathematics/2014 April 15


 * 1) Special mappings for the 24 cell?

= April 16 = Reference_desk/Archives/Mathematics/2014 April 16


 * 1) md5 preimage attack question
 * 2) bit commitment scheme

= April 18 = Reference_desk/Archives/Mathematics/2014 April 18


 * 1) Extreme points problem

= April 19 = Reference_desk/Archives/Mathematics/2014 April 19


 * 1) Integral

= April 21 = Reference_desk/Archives/Mathematics/2014 April 21


 * 1) Inverse Richardson-Dushman equation

= April 22 = 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 = Reference_desk/Archives/Mathematics/2014 April 23


 * 1) fitting a circle to grid points
 * 2) Propositional Logic proof

= April 24 = 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 = Reference_desk/Archives/Mathematics/2014 April 25


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

= April 26 = Reference_desk/Archives/Mathematics/2014 April 26


 * 1) 1/2÷1/2
 * 2) Variant of the modulo operation

= April 27 = 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 = Reference_desk/Archives/Mathematics/2014 April 28


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

= April 29 = 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.