VOL.53@January 2006 | |
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Preface | |
@On the history of Shoto Sugaku's recent ten years | Yasuo Matsuda |
Research | |
@A new theorem about the circle - Raio theorem | Raio Kannna |
@A generalization of H. Ohtsuka's result othe binomial coefficient | Mitsuhiro Kumano |
@On some interesting topics | Mitsuhiro Kumano |
@The reflection of the figures expressed by the poler representation | Nobutaka Shigeki |
@On the periodic continued roots | Minoru Shimobayashiyama |
@Suppliments to Shoto Sugaku No.52 | Teruo Nishiyama |
@An improvement in the upper bounds for | Shinji Nozaki |
@What type cylinders and boxes have constant volume but minimum surface area | Yasuo Matsuda |
@ On the functional equation {f(x)}2=1+f(x/2) (x0) | Seiichi Manyama |
@On the estimating expression of (x+1)x+1/exx (x>0) | Seiichi Manyama |
Education in Mathematics | |
@When do we need Ξ? (4) | Mitsuhiro Kotani |
@Some ingenious method of the calculation of the square of the integer | Yasuo Matsuda |
@Some development of the problems 462 | Tonkoh |
Solutions to the problems | |
@No.521 | Yoshio Matsuoka |
@No.522 | Toshi Sugiyama |
Problems | |
@No.531,532, 533 | |
@Some problems in connection with the name of this year | Tonkoh |
From the directors | |
Research | |
@ The 9 proofs of and applications for the number theory | Miki Shiotani |
VOL.54@June 2006 | |
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Preface | |
@On the issue of Shoto Sugaku | Toshihiko Miyaji |
Lectures | |
@Traditional Japanese Mathematics `Wasan` Part XVII | Hinoto Yonemitsu |
@EurekaI(geometry ) | Hisao Todoroki |
Research | |
@What is KNOT | Kazuhisa Ooi |
@On the extended theorem of Simson's line and the theorem of Feuerbach (21) | Toshiyuki Kinoshita |
@On an elastic collision and a trigonometrical problem | Mitsuhiro Kumano |
@Calculation of the area of ellipes by not turning but shifting it | Nobutaka Shigeki |
@From finity to infinity (13) | Mitsuhiro Kotani |
@On the period continued roots II | Minoru Shimobayashiyama |
@Some comments on Rao's theorem in No.53 | Toshitaka Takabayashi |
@Equations that stick in my memory | Takashi Hokutoh |
@ On the Erdos-Straus conjecture | Mitsuaki Takabayashi |
@A sangaku problem and its generalization | Taichi Maekawa |
@ On the problem 53-2 in No.53 | Taichi Maekawa |
@The sum of the recurring period of 1/pq divided in two | Yasuo Matsuda |
@On the cycloid | Yasuo Matsuda |
@On the length of an outside curve | Seiichi Mannyama |
@Some development of problem 49-1 | Seiichi Mannyama |
@Some characters of Appolonius's circle and their applications for mathematics lessons | Yoshiaki Yuikawa |
Education in Mathematics | |
@When do we need Ξ? (5) | Mitsuhiro Kotani |
@Various methods of leading the formula to the sum of the arithmetic progression | Toshihiko Miyaji |
Solutions to the problems | |
@No.531 | Hiroshi Kotera |
@No.532 | Shigeshi Shirasaka |
Problems | |
@No.541,542, 543 | |
From the directors |
VOL.55@November 2006 | |
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Preface | |
@Finite and infinite | Yasuo Matsuda |
Feature articles on Mr. Yoshio Matsuoka | |
@Mr. Yoshio Matsuoka and high school mathematics | Toshihiko Miyaji |
@Memories of Mr. Yoshio Matsuoka | Shigeshi Shirasaka |
@On the clairvoyance of Mr. Matsuoka | Yasuo Matsuda |
Lectures | |
@Traditional Japanese Mathematics `Wasan` Part XVIII | Hinoto Yonemitsu |
@Eureka 2 (Crisis and the development of mathematics) | Hisao Todoroki |
Research | |
@On a new method for the summation of some finite sequences | Mitsuhiro Kumano |
@On the discovery of another solution after ten years | Mitsuhiro Kumano |
@Graphical magic of the Lewis Caroll type | Masanori Kozaki |
@On M. Fujiwara's ugly theorem | Tonkoh |
@On the most difficult entrance examination in mathematics for university | Tonkoh |
@On the integral coefficient polynomial which has a root tanΞ/n | Shinji Nozaki |
@What are Ramsey phenomena | Masakazu Nihei |
@A new method of folding a paper into a trisection | Yasuo Matsuda |
@ Elliptic as a section of the cylinder | Yasuo Matsuda |
@On the solution of quadratic equations of which coefficients are complex numbers | Shigeo Moriya |
@ On the number "1729" | Takeshi Hokutoh |
Education in Mathematics | |
@The basic theory for school education (6) | Mitsuhiro Kotani |
@On the one-to-one correspondence | Yasuo Matsuda |
Solutions to the problems | |
@No.533 | Yasuo Matsuda |
@No.541 | Harushi Hiraiwa |
@No.542 | Yasuo Matsuda |
@No.543 | Toshihiko Miyaji |
Problems | |
@No.551,552, 553 | @ |
From the directors | |
Appendix | |
@The text of the integer for high school students | Nobutaka Shigeki |
VOL.56@April 2007 | |
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Preface | |
@The logic | Shozo Serizawa |
Lectures | |
@Traditional Japanese Mathematics `Wasan` Part 19th | Hinoto Yonemitsu |
@ Eureka 3 (Minoru Tomita's mathematics) | Hisao Todoroki |
Research | |
@Entrance exam. for a postgraduate school e06 | Kazumasa Ikeda |
@On the factorization into prime factors for some special integers | Kei Kawasaki |
@ Holder's inequality has appeared ! | Mitsuhiro Kumano |
@On a generalization of the trigonometrical problem | Mitsuhiro Kumano |
@On the math problems of the University Testing Center | Mitsuhiro Kumano |
@ From finity to infinity (14) | Mitsuhiro Kotani |
@On the harmonical range of harmonic points | Nobutaka Shigeki |
@Dense and discrete | Minoru Shimobayashiyama |
@ On the Diophantine Equation PQc(P+Q+c+) | Mitsuaki Takabayashi |
@On M. Kumano's research | Kaoru Takamura |
@ Some solutions for the questions of N. Takayama | Kaoru Takamura |
@ Some interesting problems about the pigeonhole principle | Masakazu Nihei |
@ On the factorization of Chebychev polynomial | Shinji Nozaki |
@ On the factorial function and the quadratic function in which values repeat the root of an equation of the third degree | Masashi Hashiguti |
@ On the sum of Fibonacci numbers | Takeshi Hokutoh |
@ On the mathematical principle of lethal genes | Yasuo Matsuda |
@ On the functional equation {()}21{(x/2)i0j(2) | Seiichi Mannyama |
@ A curious magic square | Seiichi Mannyama |
@ On the inequality (3{3)(3{3) 1 | Toshihiko Miyaji |
@ A theorem of exchange | Yasuo Matsuda |
Education in Mathematics | |
@On the problems of the shortest routes | Yuki Nagamitsu |
Solutions to the problems | |
@No.551 | Yasuo Matsuda |
@No.552 | Toshihiko Miyaji |
Problems | |
@No.561,562, 563 | @ |
From the directors |
VOL.57@September 2007 | |
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Preface | |
@Solving Wasanfs problems heals my health | Taichi Maekawa |
Lectures | |
@Traditional Japanese Mathematics `Wasan` Part 20th | Hinoto Yonemitsu |
@ Eureka 4 (Minoru Tomita's mathematics) | Hisao Todoroki |
Research | |
@On the sequence of natural numbers which satisfy an2+1an-1an+1 | Hirohumi Uda |
@Srinivasa Ramanujan's calculations | Yuuki Kamura |
@ Multiplication formula (Xn{Yn{Zn) (:odd prime number ) | Kei Kawamura |
@On various trigonometrical equalities and their proofs | Mitsuhiro Kumano |
@About the round robin tournament | Nobutaka Shigeki |
@ Introduction to the arithmetic of polynomial | Minoru Shimobayashiyama |
@The visual proofs for the formula of trigonometric function | Shigeshi Shirasaka |
@Some interesting characteristics of the paraboloid of revolution | Mitsuru Takasu |
@ Enjoying inequalities | Kaoru Takamura |
@ Evaluation °1/ns2nCn | Kaoru Takamura |
@ Easy methods of the calculations of k times the each place number for any integer | Tonkoh |
@ On the backbone and some extensions of the problem 54-2 | Tonkoh |
@ ()sinx H | Takeshi Hokutoh |
@ Why cosΖ|1/ H | Yasuo Matsuda |
@ On great or small comparisons between abac and babc | Seiichi Mannyama |
@ Some methods for the calculation of the value °kprk-1 | Toshihiko MIyaji |
Education in Mathematics | |
@The basic theory for school education (2) | Mitsuhiro Kotani |
@ On the lesson for the length of the bisection of an angle | Katsuyoshi Nakahara |
@On the circle and the parabola which touch each other | Yasuo Matsuda |
@On the plan of the lessons for the calculation of the value of ° | Toshihiko MIyaji |
Solutions to the problems | |
@No.553 | Shigeshi Shirasaka |
@No.561 | Kazumasa Ikeda |
@No.563 | Yasuo Matsuda |
@No.562 | Katsuhiko Shiozaki |
@Extensions of the problem No.562 | Yuuto Murakami |
Problems | |
@No.571,572 | @ |
From the directors |
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