Chronology of Updates


I have placed chronology of updates for 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 and 2017 into separate files. Starting with 1997, the most recent entries appear topmost. Besides providing an insight into this site's evolution, chronology of updates may be used for word searches.

Feb 24 A Three Group Split
Feb 23 Probability in Dart Throwing
Feb 23 Snake Permutations And Their Number
Feb 23 An Inequality in Triangle form the 1996 APMO
Feb 22 Kunihiko Chikaya's Inequality with a Constraint
Feb 22 Expectation of the Largest Number
Feb 21 Cute Exercise by Dorin Marghidanu
Feb 21 Arithmetic of Pie Sharing
Feb 21 Dan Sitaru's Inequality with a Double Integral
Feb 20 Circle Center by Paperfolding
Feb 20 Waiting for All Six Outcomes
Feb 19 Golden Ratio in Circles
Feb 19 Uniqueness of Number 5
Feb 18 Luca Moroni's Problem In Equilateral Triangle
Feb 18 A Triangle in a Rhombus with a 60 Degrees Angle
Feb 17 Acting As a Team I
Feb 16 Two in a Row
Feb 15 Golden Ratio in Isosceles Triangle
Feb 15 A Property of Angle Bisectors
Feb 15 Probability of a Random Inequality
Feb 14 Probability of a Meet in an Elimination Tournament
Feb 14 Golden Ratio in Two Squares, Or, Perhaps in Three
Feb 14 Thanos Kalogerakis's Problem in Circle and Square
Feb 13 Playing with Integers and Limits
Feb 13 Golden Ratio in Equilateral Triangle on the Shoulders of George Odom
Feb 13 A Modified Sangaku
Feb 11 Converting Temperature From $C^{\circ}$ to $F^{\circ}$
Feb 11 A Problem in a Configuration of Three Squares
Feb 10 Golden Ratio in Square
Feb 9 Triangle on a Rectangular Hyperbola
Feb 9 Euler Line Through a Vertex
Feb 9 Ji Chen's Inequality
Feb 9 Functional Inequality from Vietnam
Feb 8 Matching Socks in Dark Room
Feb 8 Guessing Hat Numbers
Feb 6 Inequality in Convex Quadrilateral
Feb 5 Solving a Peculiar Third Degree Equation
Feb 5 Stars in Array
Feb 3 Equal And Perpendicular Segments in a Square
Feb 1 Expectation of Interval Length on Circle
Feb 1 Waiting to Exceed 1
Feb 1 An Angle Inequality in Triangle with Perpendicular Medians
Feb 1 The Triangle of the Medians
Jan 30 Waiting for a Larger Number
Jan 30 Elegance in Integers by Dorin Marghidanu
Jan 30 Hadamard's Determinant Inequalities and Applications II
Jan 30 A Trigonometric Inequality with Ordered Triple of Variables
Jan 29 An Inequality with Two Triples of Variables II
Jan 25 Two Equilateral Triangles on Sides of a Square
Jan 25 Hadamard's Determinant Inequalities and Applications I
Jan 25 Random Sum
Jan 24 Number of Wire Loops
Jan 24 Probability of Random Lines Crossing
Jan 24 Shelving an Encyclopaedia
Jan 23 Tony Foster's Integer Powers in Pascal's Triangle
Jan 22 A Triangle Problem from Caucasus
Jan 22 The Most Likely Position
Jan 20 Volume Inequality in Tetrahedron
Jan 20 An Isoperimetric Problem in Quadrilateral
Jan 18 Dan Sitaru's Cyclic Inequality in Three Variables VIII
Jan 17 The Expected Number of Fixed Points
Jan 16 Choosing the Largest Random Number
Jan 16 Golden Ratio in Square And Circles
Jan 15 Pythagorean Theorem by Stretching
Jan 15 Quadrilateral Inscribed into Parallelogram
Jan 14 Dan Sitaru's Cyclic Inequality in Three Variables VII
Jan 14 Probability of an Odd Number of Sixes
Jan 14 To Bet Or Not To Bet
Jan 14 Simple Nameless Inequality
Jan 14 Dorin Marghidanu's Sums and Products
Jan 13 Three Complex Numbers Satisfy Fermat's Identity For Prime Powers
Jan 13 Dropping Numbers into a 3x3 Square
Jan 12 Sam Walters' Four Questions
Jan 12 Piecewise Carpets in Parallelogram
Jan 11 Why Can't They Be All Different?
Jan 11 6th European Mathematical Cup (2017), Junior Problem 4
Jan 8 Metamorphosis of a Quadratic Function
Jan 7 Flat Probabilities on a Sphere
Jan 6 A Welcome Problem for the Year 2018
Jan 6 A Farewell Problem for the Year 2017
Jan 6 An Inequality Involving Arithmetic And Geometric Means
Jan 5 The Marriage Problem
Jan 4 An Extension of a Sangaku with Touching Circles
Jan 4 The Coffee Shop Game
Jan 2 An Inequality with Two Triples of Variables
Jan 1 Flat Probabilities on a Sphere

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Copyright © 1996-2018 Alexander Bogomolny


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