Journal of elementary mathematics─SHOTOH SUGAKU─

VOL.39　May.2000
An essay-memories of mathematics	Toshio Seimiya
Articles
Kawasaki Dayori- On a process of the study of a genralization of Langley's problem	Toshio Seimiya
Articles of the mourning of Prof. Minoru Kurita
The mourningof Prof. Minoru Kurita	Yasuo Matsuda
A recollection of Minoru Kurita	Hiroshi Asami
The mathematician who has a deep knowledge of literature	Tatsuo Matsumiya
Prof. Kurita and Kitakyushu City	Toshihiko Miyaji
A recollection of Prof. Minoru Kurita and his elegant solution of a mathematics problem	Takahide Yokoyama
On the old days and these days	Minoru Kurita
Lectures
A mathematical English lecture	Yurou Ashiba
A guide to 'Wasan'	Hinoto Yonemitsu
A study of a group-diheadral group	Yasuo Matsuda
Research
On various methods of a construction problem	Yurou Ashiba
On some characteristics of Mersenne numbers 2	Kouji Oshima
On an Ajima point	Tomonori Kawamoto, Naruto Kirihara, Hiroshi Kotera
The integral solutios of the indefinite equation X2+Y2+Z2＝Un	Hiroshi Kikuta
On the Tarner lines and Seinmiya lines(9)	Toshiyuki Kinoshita
Frominfinity to finity (3)	Mitsuhiro Kotani
On a calculation of products of sin and cosin	Mitsuhiro Kumano
On an elementary method of calculating the shortest distance between two points on the earth	Akira Sawanobori
A cube floating in thespace	Nobutaka Shigeki
Confliguration-The color of the light	Hidenori Shimizu
Magic circles which ride on the elliptic function 1	Minoru Shimobayashiyama
On a proof of an enequality	Masakazu Nihei
A method of redduction	Noriaki Hirakawa
On the slice of a solid	Yasuo Matsuda
Notation of Euler's formula	Toshihiko Miyaji
A proof of Pascal's theorem based on geometrical view point derived from the technical education	K.Mukohyama,T.Toyonari,M.Tagawa, M.Sugie,Y.Sato,H.Igarashi
Another proof of OI2＝R2-2Rr	Taichi Maekawa
Teach me hints or solution of a problem	Yasuo Matsuda
Solutions of the problems　No.381，382
Problems　No.391，392
Echo

vol.40 September 2000
Preface On my impression of the ３rd Shotoh Sugaku meeting	Taichi Maekawa
Articles
Kawasaki Dayori - Some reports of the geometric problems	Toshio Seimiya
Essay
Memories of Prof. Kurita	Toshiro Kuroda
Lectures
A mathematical English lecture	Yurou Ashiba
A guideto`Wasan`	Hinoto Yonemitsu
A study of a group -symmetric group and alternating group	Yasuo Matsuda
Research
When the light goes through a prism, the difference between the angle of incidence and that of reflection is known to become minimum	Yurou Ashiba
Whether we can finish the 16 pieces puzzle	Jun Adachi
On the Kakutani's conjecture(6)	Minoru Oki
Unexpected properties of successively touching circles	Hiroshi Okumura, Chuichi Sodeyama
A triangular prism floating on the water	Kenzi Odani
On the number of a letter sequence	Hajime Kajioka
The integral solutions of the indefinite equation x12+x22+x32+…=un	Hiroshi Kikuta
On the Tarner lines and Seimiya lines (10)	Toshiyuki Kinoshita
On a calculation of products of sin and cosin and the factorization of the binomial	Mitsuru Kumano
On some margin to paste up of the development of the polyhedron	Tatsuo Kannno
On the largest visual angle of the ring of Saturn when we watch it on the surface ofSaturn	Akira Sawanobori
Two problems in my mathematical notes	Nobutakla Shigeki
Conjecture-The mutual action between the color of paint and light	Hidenori Shimizu
Magic circles which rideon the elliptic function (2)	Minoru Shimobayashiyama
Another solution of Langley's problem	Toshitaka Toyonari
On a limit value of a sequence which we have not met till now	Masakazu Nihei
On the problem of x＝3m+5n and (a+bi)p	Junichi Harada
On the volume of the section of the half-space	Noriaki Hirakawa
On the number of figures in two mirrors a cycloid	Yasuo Matsuda
On the arithmetic progression and the geometric progression	Toshihiko Miyaji
A problem of four squares adjoining each side of a quadrilateral	Takashi Yabasi
A series which cancels the inner terms	Yuko Yamamoto
Calcuration of π by old Japanese mathematicians	Hinito Yonemitsu
Report
Reports of the 3rd Shotoh Sugaku meeting	Hiroshi Kotera
Solutions to the problems
391	Hiroshi Asami
392	Tomonori Kawamoto
Problems　No.401，402
Echo

vol.41 March 2001
Preface
Let's enjoy mathematics	Osamu Takenouchi
Articles
Kawasaki Dayori - Some reports of the geometric problems	Toshio Seimiya
China's College Entrance Examination and Its Impacts on Teaching and Learning in Middle School	Ren Zizhao
Lectures
A guideto`Wasan`	Hinoto Yonemitsu
A study of a group	Yasuo Matsuda
Research
On Kakutani's conjecture(7)	Minoru Oki
On the Kenmotsu Point	Tomonori Kawamoto, Hiroshi Kotera
On the Kenmotsu Point and its extension	Tonkoh Tam
From finity to infinity (4)	Mitsuhiro Kotani
The integral solutions of the Diophantine equation xn+yn＝zn+1	Hiroshi Kikuta
On the Tarner lines and Seimiya lines (11)	Toshiyuki Kinoshita
On an expected value for the number of balls in the box	Mitsuru Kumano
Five problems on the spherical trigonometry	Akira Sawanobori
On a special factorization	Nobutakla Shigeki
Arithmetic sine and cosine product	Minoru Shimobayashiyama
On the pentagon the length of who's five sides are integers	Hideo Segawa
On the value of the angles of a quadrangle	Hideo Segawa
On a limit value of a sequence (part 2)	Masakazu Nihei
A geometric approach for the limit of a series	Mitsuhiro Kotani
On the sum of squares of 11 continued integers which becomes also a square number	Yasuo Hara
A shorter geometric proof of a trigonometric inequality	Taichi Maekawa
On the circles and the quadratic curves	Yasuo Matsuda
On some proofs of the arithmetic mean ≧ the geometric mean Toshihiko Miyaji
On a modern solution of a problem in 'Jinkohki'	Hinito Yonemitsu
Essay
How to study and research elementary mathematics	Yasuo Matsuda
Solutions to the problems
No.401	Taichi Maekawa
No.402	Yasuo Matsuda
Problems
No.411，412
Echo

vol.42 August 2001
Preface
A wonderful something what was I had learned from Prof. Nakazawa Yasuo	Yasuo Matsuda
Articles in memory of Prof. Sadaharu Nakazawa
Memories of Prof. Sadaharu Nakazawa	Koshiro Takahashi
On arctan relation	Sadaharu Nakazawa
Articles
Kawasaki Dayori - Some topics of the geometric problems	Toshio Seimiya
Lectures
A guide to`Wasan`	Hinoto Yonemitsu
A study of a group	Yasuo Matsuda
Research
On the linear indeterminate equation and the linear congruence expression	Minoru Oki
On some Differential Equations	Masashi Ohnawa
On the Tarner lines and Seimiya lines(12)	Toshiyuki Kinoshita
From finity to infinity (5)	Mitsuhiro Kotani
Another solution of the problem 40-2	Mitsuru Kumano
Various interpritations of somecalculations	Nobutaka Shigeki
A troublesome problem and its approximate answer	Akira Sawanobori
Oｎ the square of the triangle whose apexesare on a conic section	Ei Shimokawara
3 is a specialcase of 4	Shigeshi Shirasaka
3 is aspecial case of 4 (continuation)	Shigeshi Shirasaka
What number do you thunk ?	Shigeshi Shirasaka
Level payment and equal principal payment	Shozo Serizawa
On the integers of pm+qn type	Mitsuaki Takabayashi
On Giuga's conjecture	Mitsuaki Takabayashi
On the solution of Koldemsky's conjecture	Shuji Tokimoto
The sum of the power of odd numbers and the development of in Wasan	Yasuo Fujii
On a tangent line of the quadratic curve	Kazuhiko Shigyo
On a descriptive proof of	Masakazu Nihei
On some characters of a regular heptagon	Yasuo Matsuda
Solutions to the problems
No.41-1	Mitsusige Takahashi
No.41-2	Yasuo Matsuda
Problems
No.42-1,42-2
Echo 110