Mishima's approach to the puzzle 115 Mr. Hisanori Mishima explains his remarkable method for searching the numbers asked in the Puzzle 115 Posted on Saturday, November 25, 2000

Jan van Delden & Puzzle 101 Jan van Delden has sent another approach to tyhe Divisibility Test subject. See Puzzle 101 Posted on Monday, November 20, 2000

Felice Russo & Puzzle 112 Felice Russo sent a collaboration to Question 2 of Puzzle 112 Posted on Monday, November 20, 2000

Jeff Heleen and the Puzzle 114 Jeff Heleen has sent (16/11/2000) an interesting and complete study of the Murad's sequences for all numbers below 1000 that are class 2. See Puzzle 114 Posted on Friday, November 17, 2000

Patrick's new result for the Puzzle 110 Patrick De Geest has sent a new result for the Puzzle 110 Posted on Thursday, November 16, 2000

Imran Ghory & Andrica's conjecture Imran Ghory has pushed up the limit of the verification of the Andrica's conjecture.See Conjecture 8 Posted on Thursday, November 16, 2000