Journal of elementary mathematicsSHOTOH SUGAKU
| VOL.53@January 2006 | |
|---|---|
| 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 | |
|---|---|
| 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 | |
|---|---|
| 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 | |
|---|---|
| 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 | |
|---|---|
| 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 | |
@ @@ @@@@@ @@
