Wikipedia:Reference desk/Archives/Mathematics/October 2017

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October 2

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 2

1. What's this shape called?

October 3

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 3

1. Vertical bars in set theory

October 4

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 4

1. Are there only two types of Truth in Mathematics?
2. MU (Markup?) key on a calculator
3. Maximizing Inner Product

October 5

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 5

1. Definition of Bundle Maps
2. Quick Challenge. Can your pocket calculator compute i^i
3. Differential equations
4. Recursive Complex Number Project
5. Eulerian Paths: Octahedron.
6. Hamiltonian Dodecahedron unvisited vs. Double Hamiltonian Icoahedron unvisited.

October 6

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 6

1. Statistical significance of SHA1-prefix collisions

October 9

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 9

1. Pappus's hexagon theorem

October 10

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 10

1. Going back to univeristy
2. Minute Calculation
3. Rolling a marble in a box grid
4. circles to circles

October 12

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 12

1. Sum of angles of a triangle
2. Smith set and Smith-losing set
3. Calculator problem

October 13

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 13

1. Differential equations

October 14

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 14

1. Basic math, compound interest, multiply out

October 15

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 15

1. Rational trigonometry

October 17

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 17

1. Absolute vs. Relative units
2. Osculating circle formula for curvature

October 19

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 19

1. Using COUNTIF in Excel

October 20

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 20

1. Defined card deals

October 21

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 21

1. Curvature from partial derivatives

October 22

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 22

1. Pro-centrism / anti-centrism of ranked-preference voting systems
2. Equivalence between differential expressions

October 23

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 23

1. Projecting a conic section
2. Product of 2 primes

October 24

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 24

1. Landau's Function: g(52)?
2. Osculating circle formula for curvature

October 25

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 25

1. Backsolving.

October 28

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 28

1. Resolution Lower Bound Example

October 29

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 29

1. Positive-dimensional system of polynomial equations
2. Partial derivatives in medical education curricula

October 30

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 30

1. Gamma function and factorial notation
2. Region bounded by ax^2 + by^4 + cz^6 = 1

October 31

Wikipedia:Reference_desk/Archives/Mathematics/2017 October 31

1. Math used in doctoral-level natural science