References.

1. R. Miyadera and Y. Kotera: Una Bella Curva Che Troviamo in Connessione con lo Sviluppo di, Archimede, 2, 2005

2. R. Miyadera, S.Hashiba and D.Minematsu, A beautiful figure made of $99999\dots9^n$, Visual Mathematics Art and Science Electric Journal of ISIS-Symmetry, 8(2), 2006.

3. R. Miyadera, S.Hashiba and D.Minematsu, How high school students can discover original ideas of mathematics using Mathematics, Mathematica in education and research, 11(3), 2006

4. R. Miyadera, S.Hashiba and D.Minematsu, Mathematical Theory of Magic Fruits, -Interesting patterns of fractions- Archimedes' Lavoratory

5. R. Miyader, M.Sakaguchi and M.Masuda, The theory of Russian roulette (In Japanese), Osaka Mathematics Magazine,26 (1997)

6. R. Miyadera, K. Kawamoto and Y. Moriyuki, Theory of Russian roulette, Proceedings of the Forth International Mathematica Symposium, 2002

7. R. Miyadera, K. Miyabe, D. Kitajima, N. Fujii and K. Fujii, How High School Students Could Present Original Math Research Using Mathematica, Proceedings of the Fifth International Mathematica Symposium, Imperial College 2003.

8. R. Miyadera, etc, The On-Line Encyclopedia of Integer Sequences, http://www.research.att.com/ njas/sequences/Seis.html

9. Hiroshi Matsui, Naoki Saita, Kazuki Kawata, Yusuke Sakurama and Ryohei Miyadera, A problem for a Fibonacci like sequence, Fibonacci Quarterly, to appear.

10. R.Miyadera, D. Minematsu and S.Hashiba, etc., How high school and undergraduate students could present original ideas of mathematics using a computer algebra system (In Japanese), Journal of Japan Society for Symbolic and Algebraic Computation, 12(4) (2006)

11. R. Miyadera, Yousuke Ikeda and Yasushi Kondo, What's special about this number Archimedes' Lavoratory

12. R. Cowen and J. Kennedy, Discovering Mathematics with Mathematica, Erudition Books, 2001.