Preface Introduction 1. Cleavers and splitters 2. The orthocenter 3. On triangles 4. On quadrilaterals 5. A property of triangles 6. The Fuhrmann circle 7. The symmedian point 8. The Miquel theorem… Expand

A 6-month study with crossover at 3 months was designed to evaluate the possible beneficial effects of transcendental meditation upon bronchial asthma. 21 patients kept daily diaries of symptoms and… Expand

1. Probability and p 2. Odd and even numbers 3. Sylvester's problem of collinear triads 4. The algebra of statements 5. The Farey series 6. A property of an 7. Squaring the square 8. Writing a number… Expand

Problems from Ireland 2. Three solutions to an old chestnut 3. Problems from Eotvos-Kurschak competitions 4. Polish math o Olympiads 5. East German olympiads 6. problems from Pi Mu Epsilon Journal 7. Austrian-Polish math olympIads 8. Quantum problems 9. Bulgarian problems for 11-14 year olds .Expand

Another collection of problems from best-selling author Ross Honsberger. He presents a selection drawn from probability, number theory, combinatorics, and geometry, and provides ingenious solutions… Expand

Mathematics is often studied with an air of such seriousness that it doesn't always seem to be much fun. However, it is quite amazing how many surprising results and brilliant arguments one is in a… Expand