 Under Proving an inequality (in Geometry)
Posted on 2017-09-17 (1 Comments) |
 |  Solution by Harry (2017-09-28 11:57:05) |
 Under Regular N-gon (in Geometry)
Posted on 2017-07-09 (2 Comments) |
| Solution by Harry (2017-07-09 12:02:32) |
Under Lewis Carroll's finding (in Geometry)
Posted on 2017-06-25 (1 Comments) |
| Solution by Harry (2017-07-01 15:34:00) |
Under Circumcenters and Incenters (in Geometry)
Posted on 2017-02-19 (1 Comments) |
| Solution by Harry (2017-02-23 13:05:02) |
Under Powers of x and y (in Just Math)
Posted on 2017-01-21 (4 Comments) |
|  Another approach by Harry (2017-01-22 10:57:30) |
Under A set of 3 equations (in Just Math)
Posted on 2016-12-31 (1 Comments) |
| Solution by Harry (2016-12-31 09:34:03) |
Under Vieta's derivatives (in Just Math)
Posted on 2016-12-02 (2 Comments) |
| Analytic Solution by Harry (2016-12-05 11:07:46) |
 Under Don't be confused (in General)
Posted on 2016-11-14 (5 Comments) |
| Solution by Harry (2016-11-14 10:53:23) |
Under Roots Ready to Relate (in Just Math)
Posted on 2016-11-06 (1 Comments) |
| Solution by Harry (2016-11-06 10:51:26) |
Under Positively Positive (in Just Math)
Posted on 2016-10-18 (10 Comments) |
|  Part 1 only (spoiler) by Harry (2016-10-19 17:15:01) |
Under Prove Phi's Peculiar Property (in Numbers)
Posted on 2016-10-17 (3 Comments) |
| A different approach (spoiler) by Harry (2016-10-18 18:44:16) |
Under Three Equation System Settlement (in Just Math)
Posted on 2016-10-07 (5 Comments) |
| re(2): I hear 'cycles' ...add one more by Harry (2016-10-15 19:09:19) |
| I hear 'cycles' by Harry (2016-10-10 16:51:23) |
Under Concurrent Rays (in Geometry)
Posted on 2016-08-20 (1 Comments) |
| Possible solution by Harry (2016-08-24 17:03:58) |
Under Angle Ratio Ascertainment 6 (in Shapes)
Posted on 2016-08-14 (2 Comments) |
| What am I missing? (spoiler) by Harry (2016-08-16 10:26:23) |
Under Sixty Degree Decision (in Shapes)
Posted on 2016-08-11 (1 Comments) |
| Solution by Harry (2016-08-12 06:52:22) |
Under Real and Cyclic Sum (in Just Math)
Posted on 2016-08-10 (3 Comments) |
| re: adding on by Harry (2016-08-12 06:13:25) |
| Possible Solution by Harry (2016-08-11 16:31:53) |
Under Angle Ratio Ascertainment 5 (in Shapes)
Posted on 2016-08-06 (2 Comments) |
| Geometric approach (spoiler) by Harry (2016-08-09 14:24:54) |
Under Line Length from Two Triangles (in Shapes)
Posted on 2016-07-01 (4 Comments) |
| Solution by Harry (2016-07-05 08:34:56) |
Under Celsius- A Fahrenheit Multiple? (in Just Math)
Posted on 2016-06-21 (7 Comments) |
| And another.. by Harry (2016-06-22 12:03:50) |
Under 2016 and Simultaneous Settlement (in Just Math)
Posted on 2016-05-26 (2 Comments) |
| Analytic Solution by Harry (2016-05-26 19:44:07) |
Under Sum ArcTan Limit (in Calculus)
Posted on 2016-05-11 (6 Comments) |
| Analytic Solution by Harry (2016-05-19 11:26:19) |
Under Polynomial of degree 3n (in Just Math)
Posted on 2016-05-07 (6 Comments) |
| Possible Solution by Harry (2016-05-08 14:58:49) |
Under Hexagon Hinder 2 (in Shapes)
Posted on 2016-05-06 (2 Comments) |
| Solution by Harry (2016-05-08 15:31:37) |
Under Common Multiple from a Cubic (in Just Math)
Posted on 2016-05-01 (4 Comments) |
| Difference in approach (spoiler) by Harry (2016-05-02 18:36:32) |
Under Cubic Diophantine Conclusion (in Just Math)
Posted on 2016-04-22 (9 Comments) |
| re(2): A ffine problem (spoiler) by Harry (2016-05-02 18:57:18) |
| A ffine problem (spoiler) by Harry (2016-05-02 07:06:03) |
Under Harmonic Harmony 2 (in Sequences)
Posted on 2016-03-31 (2 Comments) |
| Lateral thinking? (spoiler) by Harry (2016-04-02 16:42:36) |
Under Find Five Fractions (in Just Math)
Posted on 2016-03-27 (2 Comments) |
| Heuristic approach - spoiler by Harry (2016-03-27 20:00:53) |
Under To-day is Monday & a PIday (in Numbers)
Posted on 2016-03-14 (13 Comments) |
| No Subject by Harry (2016-03-15 12:16:41) |
| Digit Perms by Harry (2016-03-15 11:23:43) |
Under Grape Consumption Conclusion (in Just Math)
Posted on 2016-03-08 (4 Comments) |
| No Rush by Harry (2016-03-08 09:08:37) |
Under Arithmetic Roots (in Just Math)
Posted on 2016-03-02 (2 Comments) |
| Analytic solution (outline) by Harry (2016-03-02 12:19:05) |
Under Coefficient From Roots (in Just Math)
Posted on 2016-02-07 (2 Comments) |
| Solution - another approach by Harry (2016-02-07 16:19:05) |
Under Infinite Illation Decision (in Just Math)
Posted on 2015-12-31 (3 Comments) |
| Lucozade (Spoiler) by Harry (2015-12-31 17:52:16) |
Under Triangle Area Ascertainment (in Shapes)
Posted on 2015-12-26 (2 Comments) |
| Solution by Harry (2015-12-27 16:45:56) |
Under Binary Palindrome Square Magic (in Just Math)
Posted on 2015-12-24 (11 Comments) |
| Possible Solution by Harry (2015-12-26 19:14:59) |
Under Protecting the fleet Part E. (in Calculus)
Posted on 2015-12-23 (3 Comments) |
| Possible Solution by Harry (2015-12-24 10:15:15) |
Under Distinct Triangle Determination (in Shapes)
Posted on 2015-12-16 (3 Comments) |
| re: computer solution (Spoiler) by Harry (2015-12-17 09:17:31) |
Under Complex Equation Conclusion (in Just Math)
Posted on 2015-12-12 (3 Comments) |
| Solution by Harry (2015-12-12 15:48:36) |
Under Square in a notched square (in Geometry)
Posted on 2015-11-25 (4 Comments) |
| A thought (spoiler) by Harry (2015-11-27 14:50:41) |
Under Summing Consecutive Terms and Pair Determination (in Sequences)
Posted on 2015-11-21 (3 Comments) |
| Solution by Harry (2015-11-21 11:20:56) |
Under Angle Ratio Ascertainment 2 (in Shapes)
Posted on 2015-09-26 (2 Comments) |
| Solution by Harry (2015-10-06 17:07:10) |
Under Concurrent Secants (in Geometry)
Posted on 2015-08-02 (1 Comments) |
| Solution by Harry (2015-08-18 11:17:56) |
Under Quartic Sum Determination (in Just Math)
Posted on 2015-07-05 (1 Comments) |
| Solution by Harry (2015-07-05 17:25:49) |
Under Harmonic mean and constant determination puzzle (in Shapes)
Posted on 2015-06-13 (2 Comments) |
| A different approach by Harry (2015-06-16 10:16:51) |
Under Find Points, Maximise Ratio (in Shapes)
Posted on 2015-06-05 (6 Comments) |
| Some analytical thoughts by Harry (2015-06-06 16:31:27) |
Under Real System Resolution (in Just Math)
Posted on 2015-05-17 (2 Comments) |
| Possible Solution (Spoiler) by Harry (2015-05-17 16:45:46) |
Under A Midpoint Construction (in Geometry)
Posted on 2015-05-15 (3 Comments) |
| re(2): Solution by Harry (2015-05-19 07:59:17) |
| Solution by Harry (2015-05-18 13:22:12) |
Under Positive Pair Poser (in Just Math)
Posted on 2015-05-09 (8 Comments) |
| re: solution by Harry (2015-05-11 04:58:51) |
Under Arithmetic Quadrilateral (in Shapes)
Posted on 2015-04-19 (4 Comments) |
| Elliptic approach by Harry (2015-04-20 19:04:13) |
Under Side Length Settlement 2 (in Shapes)
Posted on 2015-04-11 (1 Comments) |
| Solution by Harry (2015-04-13 18:36:05) |
Under Long chain (in Numbers)
Posted on 2015-04-10 (7 Comments) |
| Computer says... (spoiler) by Harry (2015-04-11 06:59:28) |
Under Chord Triangle Constant (in Geometry)
Posted on 2015-03-21 (4 Comments) |
| Possible Solution by Harry (2015-03-24 17:51:33) |
 Under Minimizing Perimeter (in Shapes)
Posted on 2015-03-04 (15 Comments) |
| re(5): NO DICE.....not a spoiler by Harry (2015-03-06 19:01:18) |
| re(3): NO DICE.....not a spoiler by Harry (2015-03-05 15:53:07) |
Under Point Construction Ponder (in Shapes)
Posted on 2015-02-25 (6 Comments) |
| re(2): Solution Expanded (Spoiler) by Harry (2015-03-04 16:25:43) |
| Solution by Harry (2015-02-25 16:09:56) |
Under Cubic Difference Conclusion (in Just Math)
Posted on 2015-02-21 (3 Comments) |
| Solution by Harry (2015-02-23 08:11:02) |
Under Inequality (in Just Math)
Posted on 2015-02-11 (5 Comments) |
| Solution by Harry (2015-02-15 14:54:25) |
Under Square Sum Settlement (in Just Math)
Posted on 2015-01-14 (3 Comments) |
| Avoiding complexities.. (spoiler) by Harry (2015-01-15 08:20:20) |
Under T times T creates another T?? (in Just Math)
Posted on 2015-01-11 (8 Comments) |
| re(2): Solution by Harry (2015-01-12 11:09:08) |
| Solution by Harry (2015-01-11 11:53:37) |
Under Pentagon's constant (in Geometry)
Posted on 2014-12-27 (1 Comments) |
| Solution by Harry (2014-12-27 18:16:34) |
Under The medians of medians (in Just Math)
Posted on 2014-12-20 (6 Comments) |
| Possible Solution by Harry (2014-12-23 14:54:00) |
|  re: Solution by Harry (2014-12-20 18:24:16) |
Under Trigo inequality (in Just Math)
Posted on 2014-12-11 (20 Comments) |
| including cubics - spoiler by Harry (2014-12-14 11:31:49) |
Under Triangle Area Trial (in Shapes)
Posted on 2014-12-07 (3 Comments) |
| Solution by Harry (2014-12-11 10:21:13) |
Under Deux Digit Determination (in Just Math)
Posted on 2014-11-13 (4 Comments) |
| No Subject by Harry (2014-11-16 17:22:22) |
Under Hours of Operation (in Numbers)
Posted on 2014-11-12 (8 Comments) |
| Even longer? by Harry (2014-11-12 20:00:56) |
Under Complex Conclusion II (in Just Math)
Posted on 2014-11-08 (2 Comments) |
| Solution by Harry (2014-11-10 11:40:56) |
Under Inscribed Pentagon Illation (in Shapes)
Posted on 2014-11-01 (1 Comments) |
| Solution by Harry (2014-11-04 18:25:58) |
Under Cot Ratio Conclusion (in Just Math)
Posted on 2014-10-18 (2 Comments) |
| Solution by Harry (2014-10-22 18:05:57) |
Under Conic Triangle (in Geometry)
Posted on 2014-10-17 (3 Comments) |
| Stretching a point? by Harry (2014-10-19 19:01:45) |
Under Hyperbola Axes Hinder (in Shapes)
Posted on 2014-10-03 (7 Comments) |
| re(3): Solution. On 2nd thoughts by Harry (2014-10-09 12:08:53) |
| re(2): Solution by Harry (2014-10-07 12:16:47) |
| Solution by Harry (2014-10-05 11:42:37) |
Under Determine divisibility (in Just Math)
Posted on 2014-09-29 (1 Comments) |
| Solution by Harry (2014-10-02 19:39:27) |
Under Triangular Triangulation (in Just Math)
Posted on 2014-08-30 (4 Comments) |
| re: As many as you want. by Harry (2014-09-01 22:14:14) |
Under Concavity (in Calculus)
Posted on 2014-08-26 (2 Comments) |
| Solution by Harry (2014-08-27 13:00:37) |
Under Polynomial Ponder II (in Just Math)
Posted on 2014-08-22 (3 Comments) |
| Solution by Harry (2014-08-24 21:51:31) |
Under Geometric and Arithmetic Area (in Shapes)
Posted on 2014-08-15 (3 Comments) |
| Solution by Harry (2014-08-20 21:32:31) |
| Where is S? by Harry (2014-08-16 18:20:18) |
Under Coefficient Conclusion (in Just Math)
Posted on 2014-08-08 (1 Comments) |
| Solution by Harry (2014-08-10 16:53:40) |
Under Tiling Trial II (in Shapes)
Posted on 2014-08-06 (4 Comments) |
| Possible spoiler by Harry (2014-08-07 09:13:03) |
Under RMS Resolution (in Shapes)
Posted on 2014-06-17 (2 Comments) |
| Slightly different approach by Harry (2014-06-18 13:36:48) |
Under Three Line Segment Sum (in Geometry)
Posted on 2014-05-31 (2 Comments) |
| Trig approach by Harry (2014-06-07 12:32:40) |
Under Concurrent Lines (in Geometry)
Posted on 2014-05-30 (1 Comments) |
| Solution by Harry (2014-06-02 14:46:07) |
Under Integer Divisibility Dilemma II (in Just Math)
Posted on 2014-05-22 (6 Comments) |
| re(2): answers first by Harry (2014-05-23 12:44:53) |
Under Fold Judgement III (in Shapes)
Posted on 2014-04-26 (1 Comments) |
| Possible solution by Harry (2014-05-06 17:40:26) |
Under Integers only (in Sequences)
Posted on 2014-03-31 (7 Comments) |
| Generalised approach by Harry (2014-03-31 21:53:28) |
Under 2 to 1 Bisector (in Geometry)
Posted on 2014-03-30 (2 Comments) |
| Solution by Harry (2014-04-02 18:11:53) |
Under Divide in Half (in Geometry)
Posted on 2014-03-07 (6 Comments) |
| re(3): Response to Solution by Harry (2014-03-25 21:32:12) |
| re: Response to Solution by Harry (2014-03-18 13:12:20) |
| re: Response to Solution by Harry (2014-03-18 12:14:54) |
Under Minimizing Trigo value (in Numbers)
Posted on 2014-03-02 (7 Comments) |
| Wherefore art thou 2.65344585..? by Harry (2014-03-09 18:40:39) |
Under sum Up (in Numbers)
Posted on 2014-02-26 (5 Comments) |
| re(2): Method for solution... by Harry (2014-03-06 12:55:19) |
Under Primes square (in Just Math)
Posted on 2014-02-07 (1 Comments) |
| Computer approach (spoiler) by Harry (2014-02-09 16:21:00) |
Under Real Resolution (in Just Math)
Posted on 2014-01-16 (2 Comments) |
| More solutions by Harry (2014-01-31 17:17:59) |
Under On the same line (in Geometry)
Posted on 2013-12-22 (3 Comments) |
| re(2): Solution by Harry (2013-12-24 13:18:38) |
| Solution by Harry (2013-12-23 14:28:05) |
Under Constant Ratio (in Just Math)
Posted on 2013-12-17 (2 Comments) |
| Solution by Harry (2013-12-17 17:17:20) |
Under Only One, One, One II (in Just Math)
Posted on 2013-12-08 (5 Comments) |
| Assuming positive integers (spoiler) by Harry (2013-12-13 14:04:04) |
Under Similar Triangles (in Geometry)
Posted on 2013-11-15 (10 Comments) |
| re(6): Argand - grand! by Harry (2013-12-04 14:09:41) |
| re(4): Argand - grand! by Harry (2013-12-03 20:28:08) |
| re(2): Argand - grand! by Harry (2013-12-03 12:47:12) |
| Argand - grand! by Harry (2013-11-27 14:27:13) |
| re(2): Solution by Harry (2013-11-24 18:31:59) |
| Solution by Harry (2013-11-23 20:44:38) |
 Under Collinear and Equal Angles (in Geometry)
Posted on 2013-11-09 (5 Comments) |
| re(2): Solution by Harry (2013-11-17 18:08:26) |
| Solution by Harry (2013-11-12 18:19:35) |
Under Just prove it (in Just Math)
Posted on 2013-10-20 (4 Comments) |
| Hyperbolic Approach by Harry (2013-10-28 08:48:51) |
Under Many Cyclic Quads (in Geometry)
Posted on 2013-10-19 (1 Comments) |
| Solution by Harry (2013-10-26 11:42:12) |
Under Circumcenter on Ray (in Geometry)
Posted on 2013-10-12 (1 Comments) |
| Solution by Harry (2013-10-16 12:07:50) |
Under Milestone Muse (in Just Math)
Posted on 2013-10-10 (3 Comments) |
| Another approach by Harry (2013-10-14 20:24:34) |
Under Quintic Expression (in Just Math)
Posted on 2013-10-09 (8 Comments) |
| Solution by Harry (2013-10-12 13:26:36) |
Under Angle Bisector (in Geometry)
Posted on 2013-10-06 (1 Comments) |
| Possible Solution by Harry (2013-10-08 17:00:24) |
Under Midpoint of Two Chords (in Geometry)
Posted on 2013-09-15 (1 Comments) |
| Solution by Harry (2013-09-20 16:51:33) |
Under Ring of Circles (in Just Math)
Posted on 2013-08-17 (1 Comments) |
| Solution by Harry (2013-08-21 10:46:48) |
Under Integrable Nest (in Calculus)
Posted on 2013-08-16 (1 Comments) |
| Solution by Harry (2013-08-22 11:15:11) |
Under Morley's Ghost (in Geometry)
Posted on 2013-08-10 (3 Comments) |
| re(2): Solution by Harry (2013-08-27 19:41:46) |
| Solution by Harry (2013-08-24 13:51:41) |
Under A Funny Function (in Calculus)
Posted on 2013-08-01 (7 Comments) |
| re(2): A Funny Fallacious Function? by Harry (2013-08-05 13:16:17) |
| A Funny Fallacious Function? by Harry (2013-08-03 11:08:40) |
Under Circles & Parabola (in Calculus)
Posted on 2013-07-13 (5 Comments) |
| Solution by Harry (2013-07-14 06:43:52) |
Under Distance to Diagonal 2 (in Geometry)
Posted on 2013-06-06 (1 Comments) |
| Solution by Harry (2013-06-14 16:34:52) |
Under Triangle from Perimeter (in Geometry)
Posted on 2013-05-04 (3 Comments) |
| Possible Solution by Harry (2013-05-12 15:52:16) |
Under Equal Segments (in Geometry)
Posted on 2013-03-20 (2 Comments) |
| Different approach by Harry (2013-03-21 15:36:41) |
Under Sum of real Roots (in Just Math)
Posted on 2013-01-27 (6 Comments) |
| No decimal fractions by Harry (2013-01-29 11:40:59) |
Under Divisibility of factorials II (in Numbers)
Posted on 2013-01-01 (2 Comments) |
| re: n=5 like part 1 (some thoughts) by Harry (2013-01-02 14:30:49) |
Under Perpendicular (in Geometry)
Posted on 2012-12-26 (5 Comments) |
| re: Possible approach (Spoiler) by Harry (2012-12-27 14:05:53) |
Under Not a Prime (in Just Math)
Posted on 2012-12-20 (6 Comments) |
| re: Try this by Harry (2012-12-21 21:25:54) |
Under Exp=log (in Just Math)
Posted on 2012-12-12 (9 Comments) |
| Solution - correction by Harry (2012-12-13 22:54:53) |
| Solution by Harry (2012-12-13 14:49:12) |
Under Ratio Resolution II (in Just Math)
Posted on 2012-11-24 (3 Comments) |
| Some vector thoughts (spoiler) by Harry (2012-11-27 14:04:33) |
Under Square in Square (in Geometry)
Posted on 2012-11-17 (3 Comments) |
| Another approach (spoiler) by Harry (2012-11-18 12:58:43) |
Under Quaint Quintic Question (in Just Math)
Posted on 2012-10-21 (1 Comments) |
| Solution by Harry (2012-10-21 22:18:10) |
Under A Pythagorean triplet (in Numbers)
Posted on 2012-08-28 (4 Comments) |
| Pen & paper approach (spoiler) by Harry (2012-08-30 19:18:15) |
Under Some Squares Sum Square (in Just Math)
Posted on 2012-07-30 (9 Comments) |
| re(3): Got it (spoiler) by Harry (2012-08-02 10:51:23) |
| re: Solution (spoiler) by Harry (2012-08-01 14:06:37) |
| Solution by Harry (2012-08-01 13:12:16) |
Under 99 for odd powers (in Numbers)
Posted on 2012-07-14 (3 Comments) |
| Another way by Harry (2012-07-15 11:04:03) |
Under The smallest sum (in Numbers)
Posted on 2012-06-02 (8 Comments) |
| Some thoughts (spoiler) by Harry (2012-06-09 18:43:21) |
Under Spherical shelter 3 (in Calculus)
Posted on 2012-05-27 (1 Comments) |
| Possible Solution by Harry (2012-06-02 22:24:01) |
Under Concylic Feet Part 2 (in Geometry)
Posted on 2012-05-24 (2 Comments) |
| Solution by Harry (2012-05-25 23:07:51) |
Under Spherical shelter 2 (in Calculus)
Posted on 2012-05-06 (1 Comments) |
| Possible Solution by Harry (2012-05-09 20:02:45) |
Under Quadrilateral Locus (in Geometry)
Posted on 2012-05-05 (1 Comments) |
| Solution by Harry (2012-05-08 13:00:49) |
Under Lean-to shelter (in Shapes)
Posted on 2012-05-03 (5 Comments) |
| First Part (spoiler) by Harry (2012-05-06 11:20:12) |
Under Concylic Feet Part 1 (in Geometry)
Posted on 2012-04-28 (1 Comments) |
| Solution by Harry (2012-05-02 13:29:30) |
Under Spherical shelter (in Shapes)
Posted on 2012-04-27 (2 Comments) |
| Solution by Harry (2012-05-02 22:24:12) |
Under Three Power Remainder (in Just Math)
Posted on 2012-04-14 (4 Comments) |
| Solution (another approach) by Harry (2012-04-15 19:38:18) |
Under Locus of Intersections (in Geometry)
Posted on 2012-03-09 (4 Comments) |
| Possible Solution by Harry (2012-03-13 13:58:28) |
Under Find Formula (in Sequences)
Posted on 2012-02-17 (4 Comments) |
| Just a thought by Harry (2012-02-22 22:04:17) |
Under Covering a rectangle by circles (in Shapes)
Posted on 2012-01-30 (6 Comments) |
| Solution by Harry (2012-01-31 12:12:22) |
Under Find my number (in Numbers)
Posted on 2011-12-19 (10 Comments) |
| An indefinite article by Harry (2011-12-21 17:07:31) |
Under Orthogonal Conics (in Geometry)
Posted on 2011-12-10 (2 Comments) |
| Solution by Harry (2011-12-12 22:14:17) |
Under Angle of view - Ellipse and Hyperbola (in Just Math)
Posted on 2011-11-24 (10 Comments) |
| re(4): An asymptotic view (spoiler) by Harry (2011-11-27 15:29:45) |
| re(2): An asymptotic view (spoiler) by Harry (2011-11-26 18:14:33) |
| An asymptotic view (spoiler) by Harry (2011-11-25 23:17:28) |
Under Getting Quadratic and Cubic with Astroid (in Geometry)
Posted on 2011-10-22 (2 Comments) |
| Solution by Harry (2011-10-24 23:31:45) |
Under Squares by the dozen (in Numbers)
Posted on 2011-10-13 (2 Comments) |
| Computer Search (spoiler) by Harry (2011-10-18 19:19:30) |
Under Cevian Theorem (in Geometry)
Posted on 2011-09-21 (1 Comments) |
| Solution by Harry (2011-09-21 22:13:02) |
Under Mental Arithmetic II (in Just Math)
Posted on 2011-09-11 (1 Comments) |
| Possible Solution by Harry (2011-09-14 23:16:54) |
Under Sum of Ratios (in Geometry)
Posted on 2011-08-25 (2 Comments) |
| Solution by Harry (2011-08-25 23:59:22) |
Under Divisible? Yes and No. (in Just Math)
Posted on 2011-08-15 (3 Comments) |
| Solution by Harry (2011-08-16 23:11:17) |
Under Triangular Polygons (in Probability)
Posted on 2011-08-12 (4 Comments) |
| Solution by Harry (2011-08-15 01:00:49) |
Under Floors and decimals integral II (in Calculus)
Posted on 2011-07-21 (3 Comments) |
| Solution by Harry (2011-07-25 23:35:03) |
Under Product + Square = Difference of Squares (2) (in Just Math)
Posted on 2011-07-20 (2 Comments) |
| Solution by Harry (2011-07-25 19:11:41) |
Under Close neighbors (in Just Math)
Posted on 2011-07-13 (4 Comments) |
| Solution by Harry (2011-07-14 15:14:17) |
Under Product + Square = Difference of Squares (in Just Math)
Posted on 2011-07-03 (2 Comments) |
| Another approach (Spoiler) by Harry (2011-07-05 19:15:11) |
Under Triangular Cubes III (in Probability)
Posted on 2011-06-12 (1 Comments) |
| Solution by Harry (2011-06-21 18:15:38) |
Under Maximum Cevian Triangle (in Geometry)
Posted on 2011-06-02 (1 Comments) |
| Solution by Harry (2011-06-08 01:10:52) |
Under Conic Curiosity (in Numbers)
Posted on 2011-05-19 (2 Comments) |
| Outline Solution (spoiler) by Harry (2011-05-27 21:32:24) |
Under Prime Test (2) (in Numbers)
Posted on 2011-05-08 (3 Comments) |
| Solution by Harry (2011-05-13 15:04:09) |
Under Many triplets II (in Just Math)
Posted on 2011-05-07 (4 Comments) |
| Solution by Harry (2011-05-17 17:20:18) |
Under Concurrent Cevians (in Geometry)
Posted on 2011-05-03 (3 Comments) |
| Solution by Harry (2011-05-04 20:58:38) |
Under Closed Closure (in Just Math)
Posted on 2011-04-28 (3 Comments) |
| Solution by Harry (2011-04-29 23:34:28) |
Under Limiting Ratio (in Calculus)
Posted on 2011-04-22 (3 Comments) |
| Analytic solution by Harry (2011-04-23 00:04:46) |
Under Splitting Hypotenuse (in Geometry)
Posted on 2011-04-03 (2 Comments) |
| Another approach (spoiler) by Harry (2011-04-05 19:13:08) |
Under AECP (in Geometry)
Posted on 2011-03-01 (1 Comments) |
| Solution by Harry (2011-03-01 14:10:36) |
Under Sum Supplement Settlement (in Geometry)
Posted on 2011-02-12 (2 Comments) |
| A different approach (spoiler) by Harry (2011-02-15 17:27:41) |
Under A small difference (in Just Math)
Posted on 2011-02-07 (2 Comments) |
| Solution by Harry (2011-02-09 21:56:33) |
Under 2^1998 divides (1997^M - 1) (in Just Math)
Posted on 2010-12-25 (1 Comments) |
| Analytic Solution by Harry (2011-01-04 10:50:21) |
Under Single or double (in Numbers)
Posted on 2010-12-24 (6 Comments) |
| Analytic Solution by Harry (2010-12-24 18:54:38) |
Under Circumcircle Fixed Point (in Geometry)
Posted on 2010-12-17 (1 Comments) |
| Solution by Harry (2010-12-19 23:17:42) |
Under Incircle Fixed Point (in Geometry)
Posted on 2010-12-08 (1 Comments) |
| Solution by Harry (2010-12-11 00:53:18) |
Under Dozen Divisibility Dilemma (in Just Math)
Posted on 2010-12-02 (4 Comments) |
| re: Possible solution by Harry (2010-12-03 21:26:03) |
Under Divide Into Four (in Geometry)
Posted on 2010-12-02 (3 Comments) |
| Another Approach by Harry (2010-12-03 13:43:43) |
Under Sum > Sum Reciprocals (in Just Math)
Posted on 2010-11-25 (1 Comments) |
| Solution by Harry (2010-11-26 23:21:01) |
Under A game of coins (in Probability)
Posted on 2010-11-09 (4 Comments) |
| Thoughts on part 1 (spoiler) by Harry (2010-11-09 20:40:44) |
Under Not ASA, SAS, or SSS (in Geometry)
Posted on 2010-11-01 (2 Comments) |
| Another Approach (spoiler) by Harry (2010-11-02 13:44:38) |
Under two2one (in Geometry)
Posted on 2010-10-27 (2 Comments) |
| Solution by Harry (2010-10-27 18:54:58) |
Under Incircle Bisector (in Geometry)
Posted on 2010-10-23 (3 Comments) |
| Solution by Harry (2010-10-27 23:41:47) |
Under Split an Altitude (in Geometry)
Posted on 2010-09-24 (2 Comments) |
| Solution by Harry (2010-09-24 22:44:18) |
Under Three circles (in Calculus)
Posted on 2010-09-09 (4 Comments) |
| Another approach (spoiler) by Harry (2010-09-11 20:21:09) |
Under Squares Probability III (in Just Math)
Posted on 2010-08-19 (4 Comments) |
| re: solution by Harry (2010-08-20 17:04:17) |
Under Bisector Inequality (in Geometry)
Posted on 2010-08-19 (1 Comments) |
| Solution by Harry (2010-08-23 23:00:34) |
Under Intersection in a Quadrilateral (in Geometry)
Posted on 2010-08-14 (1 Comments) |
| Vector Approach (spoiler) by Harry (2010-08-18 19:27:14) |
Under Centroid Line (in Geometry)
Posted on 2010-08-10 (1 Comments) |
| Solution by Harry (2010-08-15 17:15:15) |
Under Perpendicular Concurrency Concern (in Geometry)
Posted on 2010-08-08 (3 Comments) |
| Solution by Harry (2010-08-27 23:41:22) |
| Limited progress by Harry (2010-08-26 22:38:24) |
Under Delicate Derivative Derivation II (in Calculus)
Posted on 2010-08-03 (4 Comments) |
| Solution by Harry (2010-08-05 00:36:32) |
| re: not much by Harry (2010-08-04 23:09:59) |
Under Sum of Two Angles (in Geometry)
Posted on 2010-08-01 (1 Comments) |
| Solution by Harry (2010-08-03 20:16:17) |
Under 5 cubes representation (in Numbers)
Posted on 2010-07-31 (2 Comments) |
| Solution by Harry (2010-08-03 19:44:29) |
Under Blindfolded at the Great Wall of China (in Geometry)
Posted on 2010-07-29 (10 Comments) |
| Not quite as far (Spoiler) by Harry (2010-07-31 23:03:24) |
Under Quadrilateral Equals Overlapping Triangles (in Geometry)
Posted on 2010-07-23 (1 Comments) |
| Solution by Harry (2010-07-26 20:59:54) |
Under Points On A Circle II (in Geometry)
Posted on 2010-07-13 (12 Comments) |
| re(2): Part A - a further reduction by Harry (2010-07-15 13:26:52) |
| Part A - a further reduction by Harry (2010-07-14 00:40:11) |
Under Vertex on a Line (in Geometry)
Posted on 2010-07-11 (4 Comments) |
| re: Solution by Harry (2010-07-13 20:00:54) |
Under Two Point Distance (in Geometry)
Posted on 2010-06-25 (4 Comments) |
| Numerical (computer) solution by Harry (2010-07-10 15:50:39) |
Under Three Perps (in Geometry)
Posted on 2010-06-11 (2 Comments) |
| Mechanics Approach by Harry (2010-06-11 20:07:47) |
Under Cover the Circumference (in Geometry)
Posted on 2010-05-25 (4 Comments) |
| Partly analytic (spoiler) by Harry (2010-05-26 22:21:28) |
Under Constructing Minimal Area (in Geometry)
Posted on 2010-05-13 (5 Comments) |
| Minimal solution? by Harry (2010-05-15 15:31:38) |
Under Successive Stones Settlement (in Games)
Posted on 2010-05-03 (2 Comments) |
| Solution (Spoiler) by Harry (2010-05-07 22:24:49) |
Under Triangle Divided (in Geometry)
Posted on 2010-04-15 (8 Comments) |
| re(3): Easy when you know how by Harry (2010-04-18 21:45:01) |
| re: Easy when you know how by Harry (2010-04-17 23:11:25) |
Under (p+5)/8 and (p+1)/4 = Prime Numbers (in Just Math)
Posted on 2010-04-12 (5 Comments) |
| Analytical solution by Harry (2010-04-13 07:49:46) |
Under Sum Square Roots ≤ Real Number (in Just Math)
Posted on 2010-04-10 (4 Comments) |
| Solution by Harry (2010-04-11 10:07:18) |
Under Perfect Square To Divisibility By 56 (in Just Math)
Posted on 2010-04-01 (15 Comments) |
| Solution (Spoiler) by Harry (2010-04-04 00:18:59) |
| re: Modular arithmetic by Harry (2010-04-03 21:23:59) |
Under Naught and three poser (in Numbers)
Posted on 2010-03-17 (3 Comments) |
| Computer solution by Harry (2010-03-17 23:56:57) |
Under Little cubes (in Numbers)
Posted on 2010-02-27 (5 Comments) |
| Analytical findings (spoiler) by Harry (2010-02-27 21:14:12) |
Under Cantilever Structure (in Science)
Posted on 2010-02-26 (6 Comments) |
| Solution by Harry (2010-02-28 00:01:00) |
Under Squares joining quadratics (in Just Math)
Posted on 2010-02-24 (5 Comments) |
| Four squares by analysis (spoiler) by Harry (2010-02-27 02:05:46) |
Under Black and Blue Transaction (in Probability)
Posted on 2010-02-14 (2 Comments) |
| re: solution by Harry (2010-02-16 15:38:55) |
Under Getting Natural With Derivative And Integral (in Calculus)
Posted on 2010-02-11 (4 Comments) |
| Just a thought by Harry (2010-02-21 13:37:57) |
Under Infinitely Continued III (in Numbers)
Posted on 2010-02-04 (7 Comments) |
| re(3): Is my reasoning valid? by Harry (2010-02-06 13:00:27) |
| re: Is my reasoning valid? Spoiler by Harry (2010-02-05 08:57:46) |
Under Integer Pair and Prime Constant II (in Just Math)
Posted on 2010-01-23 (3 Comments) |
| Analytic Solution by Harry (2010-01-26 14:55:21) |
Under Kissing a Cycloid (in Geometry)
Posted on 2010-01-04 (11 Comments) |
| re(2): Improved Solution by Harry (2010-01-13 21:03:13) |
| Improved Solution by Harry (2010-01-13 16:38:35) |
| Solution by Harry (2010-01-11 14:53:43) |
Under Quadratic Expressions, Perfect Square Not (in Just Math)
Posted on 2010-01-03 (6 Comments) |
| re: Solution by Harry (2010-01-13 17:11:01) |
Under Not So Simple Sines (in Just Math)
Posted on 2009-12-24 (4 Comments) |
| Is this analytical? by Harry (2010-01-11 14:57:18) |
Under Supreme Successive Shuffle (in Probability)
Posted on 2009-12-15 (9 Comments) |
| Some thoughts (Spoiler) by Harry (2009-12-18 00:18:57) |
Under More Collinear Points (in Geometry)
Posted on 2009-12-11 (4 Comments) |
| Solution by Harry (2009-12-13 11:59:59) |
Under Rooting For The Limit II (in Calculus)
Posted on 2009-11-26 (4 Comments) |
| Solution by Harry (2010-04-16 00:05:22) |
Under Double Amount (in Geometry)
Posted on 2009-11-25 (1 Comments) |
| Solution by Harry (2009-11-26 12:34:50) |
Under Getting Powerful With Euler II (in Calculus)
Posted on 2009-11-10 (4 Comments) |
| Solution by Harry (2009-11-10 23:14:24) |
Under Two Rolling Balls (in Science)
Posted on 2009-11-04 (21 Comments) |
| re: Return of the Cycloid by Harry (2009-11-17 16:36:52) |
Under 4xy - x – y ≠ Perfect Square (in Just Math)
Posted on 2009-11-01 (3 Comments) |
| Solution, but somewhat dependent by Harry (2009-11-21 22:31:01) |
Under Half a Circle, Half a Sphere (in Probability)
Posted on 2009-10-28 (4 Comments) |
| From Part 1 to Part 2 (spoiler) by Harry (2009-11-03 15:26:54) |
Under Integer Pair and Prime Constant (in Just Math)
Posted on 2009-10-24 (3 Comments) |
| Solution by Harry (2009-10-24 21:27:59) |
Under Oil Tanker (in Just Math)
Posted on 2009-10-23 (7 Comments) |
| re: solution by Harry (2009-10-24 00:19:27) |
Under The ants go marching. (in Just Math)
Posted on 2009-10-21 (7 Comments) |
| re(3): Anty Climax for #6 by Harry (2009-11-04 13:22:13) |
| Anty Climax for #6 by Harry (2009-10-27 19:50:17) |
Under x + y * 3√2 + z * 3√4 = 0 (in Just Math)
Posted on 2009-10-15 (14 Comments) |
| re(2): Solution - Extra font facility by Harry (2009-10-16 10:35:05) |
| Solution by Harry (2009-10-15 19:55:35) |
Under 9 points to convex pentagon (in Shapes)
Posted on 2009-10-12 (4 Comments) |
| re(2): Happy Ending by Harry (2009-10-18 14:39:53) |
Under Squaring a Square Grid (in Numbers)
Posted on 2009-10-10 (4 Comments) |
| Computer solution by Harry (2009-10-10 23:25:32) |
Under Real Product to Integer (in Just Math)
Posted on 2009-09-12 (2 Comments) |
| Solution by Harry (2009-09-12 22:26:13) |
Under Repeat 4, get square (in Just Math)
Posted on 2009-08-29 (3 Comments) |
| re: computer exploration--possible solution (spoiler) by Harry (2009-08-29 22:55:10) |
Under Triangulating a Square (in Numbers)
Posted on 2009-08-26 (3 Comments) |
| Two solutions (or more?) by Harry (2009-08-31 15:11:01) |
Under Even Corners and Equal Subgrids (in Numbers)
Posted on 2009-08-18 (5 Comments) |
| Analytical Solution by Harry (2009-08-18 22:32:50) |
Under Conic Spiral (in Geometry)
Posted on 2009-08-06 (2 Comments) |
| re: computer solution by Harry (2009-08-06 21:07:15) |
Under How and When (in Numbers)
Posted on 2009-07-29 (17 Comments) |
| Surds by Harry (2009-07-31 21:40:22) |
Under Some Inverses Sum Inverse (in Just Math)
Posted on 2009-07-18 (2 Comments) |
| re: analytical solution - similar approach by Harry (2009-07-18 21:09:53) |
Under Quadrilateral in a rectangle (in Just Math)
Posted on 2009-07-17 (5 Comments) |
| re(2): Solution - your reason to edit by Harry (2009-07-18 16:53:08) |
| Solution by Harry (2009-07-17 21:28:35) |
Under Arithmetic and Geometric Pandigital (in Numbers)
Posted on 2009-07-16 (11 Comments) |
| re(2): Solution (I think) by Harry (2009-07-25 00:26:53) |
| Solution (I think) by Harry (2009-07-24 17:47:48) |
| re(2): some further thoughts by Harry (2009-07-23 10:55:05) |
Under Reverse Partridge Pandigital Set (in Numbers)
Posted on 2009-07-09 (5 Comments) |
| re: Part 1 solution by Harry (2009-07-11 18:47:37) |
Under Sum Powers Sum Square II (in Just Math)
Posted on 2009-07-08 (6 Comments) |
| Only the one answer? by Harry (2009-07-14 23:04:09) |
Under Just one expression (in Just Math)
Posted on 2009-07-07 (1 Comments) |
| Possible solution by Harry (2009-07-07 20:09:16) |
Under Colorful Integral (in Calculus)
Posted on 2009-07-06 (4 Comments) |
| re: computer solution by Harry (2009-07-06 23:03:33) |
Under Partridge Pandigital Set (in Numbers)
Posted on 2009-07-05 (4 Comments) |
| re: a pretty good start (spoiler) by Harry (2009-07-05 20:47:34) |
Under 2*s3 = 3*t2 + 4 (in Just Math)
Posted on 2009-06-13 (3 Comments) |
| Analytical solution by Harry (2009-06-17 23:15:49) |
Under Going Cyclic With Arithmetic (in Numbers)
Posted on 2009-06-08 (4 Comments) |
| Cycling Backwards (spoiler) by Harry (2009-06-10 00:49:08) |
Under Wonderful problem (in Cryptography)
Posted on 2009-06-07 (10 Comments) |
| Solution (Maple) by Harry (2009-06-07 14:46:02) |
Under Curious Cubic Constant (in Numbers)
Posted on 2009-05-02 (3 Comments) |
| Rectangular grid (Spoiler) by Harry (2009-05-02 22:57:28) |
Under Three guys, three numbers (in Logic)
Posted on 2009-05-01 (12 Comments) |
| Possible solution by Harry (2009-05-03 15:18:34) |
Under Switching Hands (in Just Math)
Posted on 2009-04-25 (4 Comments) |
| Solution by Harry (2009-04-25 17:29:56) |
Under Factorials and Powers (in Just Math)
Posted on 2009-04-22 (10 Comments) |
| Very little progress to report by Harry (2009-04-24 00:15:13) |
Under Derivative chains. (in Calculus)
Posted on 2009-03-29 (7 Comments) |
| re: Keep trying by Harry (2009-04-03 00:06:20) |
| Partially done but help needed (Spoiler) by Harry (2009-03-29 20:26:42) |
Under 5 x 5 Maze by 2s and 3s (in General)
Posted on 2009-03-22 (7 Comments) |
| re(4): Solution by Harry (2009-03-27 20:02:48) |
| re(2): Solution by Harry (2009-03-24 19:38:10) |
| Solution by Harry (2009-03-22 22:14:30) |
Under Sequence with only 3 numbers (in Just Math)
Posted on 2009-03-07 (11 Comments) |
| Recurrence by Harry (2009-03-07 19:22:16) |
Under Add to Product Inverse (in Just Math)
Posted on 2009-03-06 (5 Comments) |
| Solution from outline proof by Harry (2009-03-11 20:29:02) |
Under Seeing red (in Probability)
Posted on 2008-06-07 (5 Comments) |
| re: error in solution by Harry (2009-03-19 20:00:02) |
Under Three Points in a Square (in Probability)
Posted on 2008-03-17 (18 Comments) |
| re: Faster, simpler, better and now FURTHER by Harry (2009-03-18 15:41:15) |
Under Further Arithmetic Integers II (in Numbers)
Posted on 2006-08-04 (4 Comments) |
| Some thoughts by Harry (2009-07-26 19:54:28) |
Under Figure Eights (in General)
Posted on 2005-02-15 (34 Comments) |
| What am I missing? by Harry (2010-07-24 20:52:05) |
Under Ellipses and Circles (in Geometry)
Posted on 2004-11-29 (6 Comments) |
| Belated thoughts (spoiler) by Harry (2012-08-21 14:18:46) |
