## Mathematics

x = (-b +- sqrt(b^2-4ac))/(2a)

Arithmetic Progression
Geometric Series
 STUDY Set TheoryFoundations Number Theory13 = 1 (mod 12) Geometry Euclidean Geometry Eliptical Geometry Hyperbolic Geometry Spherical Geometry Topology Analysis Trigonometry Arithmetics Algebra Statistics Combinatorics TOOLS Prime Factorization Calculator Modular Exponentiation Calculator http://www.cs.princeton.edu/~dsri/modular-inversion.html : Modular Inverse Modular Multiplicative Inverse Multi Digit Calculator MNEUMONICS LIATELogarithmic Inverse Algebriac Trigonometric Exponential
• Topics
• Imaginary Exponents
• Philosophy of Math
• "The Whys of Mathematics"
• Why angles are dimensionless
angle = ratio = arc length / radius
• Proofs
• Others
• 265/153 < sqrt(3) < 1351/780
• http://www.solving-math-problems.com/math-properties-inequalities-exponents.html
• http://statisticslectures.com/topics/exponentialinequalities/
• 0.142857 142857
• rules of summation
• http://www.philender.com/courses/linearmodels/notes1/summation.html
• Sigma (8)(n = 1) 1/n^2 = pi^2/6
• Continuum Hypothesis
• Galois Theory