Under The reversed numbers (in Just Math) Posted on 2005-09-16 (7 Comments) |

| Second Solution by np_rt (2005-09-16 19:28:01) |

Under A classic game (in Numbers) Posted on 2005-06-22 (9 Comments) |

| Solution by Hand by np_rt (2005-06-22 20:19:22) |

Under Just find two! (in Geometry) Posted on 2005-04-27 (25 Comments) |

| Iterative Method by np_rt (2005-04-27 22:40:14) |

Under Unequally Unintegrally Yoked (in Calculus) Posted on 2005-04-24 (8 Comments) |

| re(2): Solution & Spoiler by np_rt (2005-04-25 03:33:39) |

Under Ice Floating in Water (in Science) Posted on 2005-04-21 (31 Comments) |

| Bottom Line by np_rt (2005-04-22 07:21:43) |

| re: Uncertainty - continue by np_rt (2005-04-21 17:44:10) |

| re: Uncertainty by np_rt (2005-04-21 16:18:14) |

Under Billy's bag (in Probability) Posted on 2005-04-17 (18 Comments) |

| re(2): Solution by np_rt (2005-04-17 17:17:14) |

| Solution by np_rt (2005-04-17 16:44:44) |

Under Balls of confusion (in Science) Posted on 2005-04-05 (11 Comments) |

| re: Another guess (solution?) by np_rt (2005-04-06 02:07:38) |

Under Hollow ball (in Science) Posted on 2005-03-25 (26 Comments) |

| re: solution by np_rt (2005-03-31 20:26:11) |

| re: correction by np_rt (2005-03-26 18:31:21) |

| One Possible Method and Proof Why it Works by np_rt (2005-03-25 15:57:13) |

Under Fateful Fickle Fifteen (in Probability) Posted on 2005-03-24 (8 Comments) |

| re: faulty (suggestions) by np_rt (2005-03-24 15:54:20) |

Under Lowest & Highest (in Sequences) Posted on 2005-02-24 (11 Comments) |

| Hint by np_rt (2005-02-24 23:51:41) |

Under Proving a witch weighs the same as a duck (in Tricks) Posted on 2005-02-21 (12 Comments) |

| Solution by np_rt (2005-02-21 16:25:08) |

Under Figure Eights (in General) Posted on 2005-02-15 (34 Comments) |

| This may work! by np_rt (2005-02-16 08:38:55) |

Under Difference of Cubes OF DOOM (in Just Math) Posted on 2005-02-11 (8 Comments) |

| Simpler Method by np_rt (2005-02-12 18:20:57) |

Under Who stole the candy bar? (in Liars and Knights) Posted on 2005-02-03 (25 Comments) |

| Solution by np_rt (2005-02-03 18:49:46) |

Under Relativistic Bullet - perpendicular (in Science) Posted on 2005-01-17 (15 Comments) |

| Thought by np_rt (2005-01-18 01:03:13) |

Under All integers (in Geometry) Posted on 2005-01-17 (14 Comments) |

| re(2): Solution (Proof by Hand) Corrected by np_rt (2005-01-18 00:53:18) |

| Solution (Proof by Hand) by np_rt (2005-01-17 20:37:24) |

Under Square pairs (in Numbers) Posted on 2005-01-09 (12 Comments) |

| Non-Computer-Aided Solution by np_rt (2005-01-09 20:16:43) |

| re: beginning by np_rt (2005-01-09 18:00:39) |

Under Math Class (in Numbers) Posted on 2004-12-23 (9 Comments) |

| Clarification Required by np_rt (2004-12-23 19:48:38) |

Under Summations (in Just Math) Posted on 2004-12-18 (7 Comments) |

| Hmm.... by np_rt (2004-12-18 16:26:55) |

Under Wrong Division (in Just Math) Posted on 2004-12-03 (8 Comments) |

| Final Solution by np_rt (2004-12-03 19:18:57) |

| re: One More (Slightly Better) by np_rt (2004-12-03 18:43:23) |

| One More by np_rt (2004-12-03 18:37:10) |

| Another observation by np_rt (2004-12-03 18:30:55) |

| First Steps by np_rt (2004-12-03 17:54:26) |

Under Center Digits (in Numbers) Posted on 2004-11-28 (15 Comments) |

| re(4): Excel Solution by np_rt (2004-11-29 07:36:51) |

| re(2): Excel Solution by np_rt (2004-11-28 18:35:05) |

Under Exponential Difficulties 2 (in Just Math) Posted on 2004-11-27 (9 Comments) |

| Solution by np_rt (2004-11-27 18:43:38) |

Under Moon Experiment (in Science) Posted on 2004-11-22 (22 Comments) |

| No Subject by np_rt (2004-11-23 19:46:10) |

| re: part 1: another method; another answer (wrong assumption) by np_rt (2004-11-22 23:24:06) |

| Completely Analytical Solution (Physics + Differential Calculus) by np_rt (2004-11-22 19:35:07) |

Under Triangle Circle (in Geometry) Posted on 2004-11-20 (8 Comments) |

| re(2): Solution (correction) by np_rt (2004-11-20 19:41:22) |

| Solution by np_rt (2004-11-20 18:34:17) |

Under Tango (in Sequences) Posted on 2004-11-11 (10 Comments) |

| re: Hints and spoilers by np_rt (2004-11-11 11:07:01) |

Under Ordering Pairs (in Numbers) Posted on 2004-11-06 (10 Comments) |

| First Steps by np_rt (2004-11-06 13:17:27) |

Under Prime Time Revisited (in Just Math) Posted on 2004-10-22 (17 Comments) |

| Brute Force Solution by np_rt (2004-10-22 16:53:07) |

Under The Sum of the Parts Is Less Than And More Than the Parts (in Numbers) Posted on 2004-10-15 (11 Comments) |

| Proof by np_rt (2004-10-15 18:09:50) |

Under Candy Box (in Numbers) Posted on 2004-10-08 (17 Comments) |

| re(3): About 9 pieces (my bad) by np_rt (2004-10-09 17:20:58) |

| re: About 9 pieces by np_rt (2004-10-08 18:59:03) |

Under Summing Squares Sequentially! (in Numbers) Posted on 2004-10-01 (10 Comments) |

| Correct Solution by np_rt (2004-10-03 10:49:21) |

| re(4): Solution (need more work) by np_rt (2004-10-02 10:38:36) |

| re(2): Solution (slight correction) by np_rt (2004-10-01 15:35:04) |

| Solution by np_rt (2004-10-01 14:15:05) |

Under Get one half by squaring (in Just Math) Posted on 2004-09-20 (31 Comments) |

| re(2): Solution by np_rt (2004-09-21 10:27:16) |

| Solution by np_rt (2004-09-20 21:37:43) |

Under A pool rack filled with balls (in Geometry) Posted on 2004-09-17 (25 Comments) |

| Mathematical Solution (exact answer) by np_rt (2004-09-17 21:33:55) |

Under Gonna party like it's 1999 (in Just Math) Posted on 2004-09-12 (7 Comments) |

| re: Answer by np_rt (2004-09-12 13:14:22) |

Under Harder Russian Roulette (in Probability) Posted on 2004-09-11 (20 Comments) |

| Simple Counting Would Work by np_rt (2004-09-11 14:26:58) |

Under Hole in a bead (in Calculus) Posted on 2004-08-21 (13 Comments) |

| re: ??? by np_rt (2004-08-21 10:37:53) |

Under Summing inverses (in Calculus) Posted on 2004-08-19 (18 Comments) |

| re(2): Reason why sum of limits is not same as limit as sums by np_rt (2004-08-20 01:57:45) |

| Reason why sum of limits is not same as limit as sums by np_rt (2004-08-19 15:25:22) |

Under Sides inequality (in Geometry) Posted on 2004-08-13 (1 Comments) |

| No Subject by np_rt (2004-08-13 15:34:15) |

Under Inverted powers (in Calculus) Posted on 2004-08-10 (2 Comments) |

| Proof by np_rt (2004-08-10 14:07:56) |

Under 10,000 (in Numbers) Posted on 2004-07-21 (10 Comments) |

| All 10 Solutions Analytically by np_rt (2004-07-21 16:41:48) |

Under A Point and a Cube (in Geometry) Posted on 2004-07-16 (23 Comments) |

| PD can't be 9. Correct Restrictions on PD. by np_rt (2004-07-18 18:35:48) |

| Grrr... by np_rt (2004-07-17 17:40:50) |

Under Yet Another 0=1 (in Calculus) Posted on 2004-07-08 (10 Comments) |

| re(2): Solution by np_rt (2004-07-08 20:47:41) |

| Solution by np_rt (2004-07-08 16:11:44) |

Under Summing powers (in Just Math) Posted on 2004-07-01 (18 Comments) |

| re: Solution (calculation error) by np_rt (2004-07-01 15:11:10) |

| Solution by np_rt (2004-07-01 13:35:33) |

Under Gloves (in Numbers) Posted on 2004-06-03 (30 Comments) |

| re(3): Different solution? by np_rt (2004-06-04 12:12:27) |

| re: Different solution? by np_rt (2004-06-03 14:56:40) |

Under Linked Rings (in Geometry) Posted on 2004-05-29 (19 Comments) |

| My Guess by np_rt (2004-05-29 11:17:01) |

Under The Monkey Tail Hunter (in Science) Posted on 2004-05-28 (15 Comments) |

| Solution and Proof by np_rt (2004-05-30 09:04:00) |

Under The Knavy (in Liars and Knights) Posted on 2004-05-27 (21 Comments) |

| Solution by np_rt (2004-05-27 13:07:33) |

Under Ellipses (in Geometry) Posted on 2004-05-17 (12 Comments) |

| re: Part 1 by np_rt (2004-05-18 00:27:15) |

Under 3x3 sums (in Numbers) Posted on 2004-05-15 (11 Comments) |

| Good ole elimination by np_rt (2004-05-16 03:22:48) |

Under Powers of powers (in Calculus) Posted on 2004-05-11 (11 Comments) |

| Numerical Solution by np_rt (2004-05-11 13:43:09) |

Under Particle Acceleration (in General) Posted on 2004-05-06 (24 Comments) |

| Starter by np_rt (2004-05-09 12:36:57) |

| re: My uninfluenced solution by np_rt (2004-05-09 12:20:32) |

Under Chords and Chords (in Geometry) Posted on 2004-03-24 (23 Comments) |

| re: Too Simplistic? by np_rt (2004-07-10 21:37:43) |

Under A point in a square (in Geometry) Posted on 2004-03-17 (7 Comments) |

| Solution (Excel-Aided) by np_rt (2004-03-17 22:19:04) |

Under Like Clockwork (in Geometry) Posted on 2004-02-27 (29 Comments) |

| re: Answer (Mistake again) by np_rt (2004-02-28 01:05:50) |

| Answer by np_rt (2004-02-28 01:00:09) |

| re: Analytic Solution (with no errors I hope) found an error already by np_rt (2004-02-28 00:48:28) |

| Analytic Solution (with no errors I hope) by np_rt (2004-02-28 00:45:57) |

Under Lines on the Curve (in Geometry) Posted on 2004-02-23 (4 Comments) |

| re(2): Complete Solution - My Mistake by np_rt (2004-02-24 12:41:04) |

| Complete Solution by np_rt (2004-02-24 04:59:38) |

Under Time Please (in Just Math) Posted on 2004-01-12 (8 Comments) |

| Full Solution by np_rt (2004-01-12 10:36:01) |

Under Circle in hypotenuse (in Geometry) Posted on 2003-11-14 (13 Comments) |

| Solution without Analytic Geometry by np_rt (2003-11-19 13:08:47) |

Under Strike a Chord (..Any Chord) (in Geometry) Posted on 2003-10-09 (51 Comments) |

| Solution (I Think) by np_rt (2003-10-09 15:00:05) |

Under Life or Death (in Logic) Posted on 2003-06-29 (32 Comments) |

| re: absurdity (why are you so absurd, Dan?) by np_rt (2005-03-27 18:53:15) |

Under Cool it fast... (in Science) Posted on 2003-04-01 (20 Comments) |

| Inaccurate solution by np_rt (2003-04-14 10:24:53) |

Under Solids are denser? (in Science) Posted on 2003-03-23 (17 Comments) |

| Answer by np_rt (2003-03-24 08:19:34) |

Under 2,000,000 Coin Tosses (in Probability) Posted on 2003-03-03 (10 Comments) |

| non-numerical solution by np_rt (2003-03-03 07:57:51) |

Under Too Old For Grandma (in Numbers) Posted on 2003-02-28 (16 Comments) |

| Answer by np_rt (2003-02-28 08:37:24) |

Under pH of water again (in Science) Posted on 2003-02-15 (8 Comments) |

| Hint by np_rt (2003-02-15 18:25:41) |

Under How Many Children ? (in Logic) Posted on 2003-01-28 (13 Comments) |

| Agree by np_rt (2003-01-28 14:21:05) |

Under Passing through zero (in Science) Posted on 2003-01-19 (15 Comments) |

| Mass and Time by np_rt (2003-01-19 08:22:37) |

Under The 3 cans (in Logic) Posted on 2003-01-18 (12 Comments) |

| re: 3cans guess by np_rt (2003-01-18 18:48:44) |

| My Guess by np_rt (2003-01-18 06:53:00) |

Under Two men and the mountains (in Riddles) Posted on 2003-01-16 (36 Comments) |

| Something Similar by np_rt (2003-01-16 14:41:33) |

| Simple by np_rt (2003-01-16 14:37:17) |

Under Which Game? (in Logic) Posted on 2002-12-31 (18 Comments) |

| Elimination by np_rt (2003-01-01 00:46:13) |

| My Own Solution by np_rt (2003-01-01 00:28:31) |

| re: My solution by np_rt (2003-01-01 00:24:28) |

Under Two Barbers (in Logic) Posted on 2002-12-27 (21 Comments) |

| My Guess by np_rt (2002-12-27 21:18:36) |

Under The Punched-Out Numeral (in Logic) Posted on 2002-12-27 (10 Comments) |

| re: Popping Balloons (see note at end) by np_rt (2002-12-27 21:37:48) |

Under Sugar Cubes (in Shapes) Posted on 2002-12-24 (10 Comments) |

| re: As easy as 1,2,4 (corrections) by np_rt (2002-12-24 23:58:32) |

Under Enough Rope to Shoot Yourself in the Foot (in Calculus) Posted on 2002-12-22 (12 Comments) |

| re: solution by np_rt (2002-12-25 19:02:05) |

| Solution by np_rt (2002-12-24 23:41:13) |

Under Lockers (in Numbers) Posted on 2002-12-06 (10 Comments) |

| Solution Plus Assumption by np_rt (2002-12-07 14:04:59) |

Under Forensic Fancy (in Science) Posted on 2002-08-20 (14 Comments) |

| A bit late but... by np_rt (2003-01-12 00:03:44) |