Forum Geometricorum Volume 4 (2004)

1. Nikolaos Dergiades and Paul Yiu, Antiparallels and concurrency of Euler lines, 1--20. 

2. Kurt Hofstetter, Another 5-step division of a segment in the golden section, 21--22. 

3. Mirko Radic, Extremes areas of triangles in Poncelet's closure theorem, 23--26. 

4. Hiroshi Okumura and Masayuki Watanabe, The Archimedean circles of Schoch and Woo, 27--34. 

5. Jean-Pierre Ehrmann, Steiner's theorems on the complete quadrilateral, 35--52.

6. Atul Dixit and Darij Grinberg, Orthopoles and the Pappus theorem, 53--59. 

7. Juan Carlos Salazar, On the areas of the intouch and extouch triangles, 61--65. 

8. Nikolaos Dergiades, Signed distances and the Erdos-Mordell inequality, 67--68. 

9. Eric Danneels, A simple construction of the congruent isoscelizers point, 69--71. 

10. K. R. S. Sastry, Triangles with special isotomic conjugate pairs, 73--80. 

11. Lev Emelyanov, On the intercepts of the OI-line, 81--84. 

12. Charles Thas, On the Schiffler point, 85--95. 

13. Zvonko Cerin, The vertex-midpoint-centroid triangles, 97--109. 

14. Nicolae Anghel, Minimal chords in angular regions, 111--115. 

15. Li C. Tien, Three pairs of congruent circles in a circle, 117--124. 

16. Eric Danneels, The intouch triangle and the OI-line, 125--134. 

17. Eric Danneels and Nikolaos Dergiades, A theorem on orthology centers, 135--141. 

18. Roger C. Alperin, A grand tour of pedals of conics, 143--151. 

19. Minh Ha Nguyen and Nikolaos Dergiades, Garfunkel's inequality, 153--156. 

20. Paris Pamfilos, On some actions of D_3 on the triangle, 157--176. 

21. Bernard Gibert, Generalized Mandart conics, 177--198. 

22. Nguyen Minh Ha, Another proof of Fagnano's inequality, 199--201. 

23. Walther Janous, Further inequalities of Erdos-Mordell type, 203--206. 

24. Floor van Lamoen, Inscribed squares, 207--214. 

25. Victor Oxman, On the existence of triangles with given lengths of one side and two adjacent angle bisectors, 215--218. 

26. Jean-Louis Ayme, A purely synthetic proof of the Droz-Farny line theorem, 219--224. 

27. Jean-Pierre Ehrmann and Floor van Lamoen, A projective generalization of the Droz-Farny line theorem, 225--227. 

28. Hiroshi Okumura and Masayuki Watanabe, The twin circles of Archimedes in a skewed arbelos, 229--251. 

29. Darij Grinberg and Alex Myakishev, A generalization of the Kiepert hyperbola, 253--260.