A Simple Mathematical Model for Chamber Arrangement of Planktic Foraminifera Takashi Yoshino, Katsunori Kimoto, Naoko Kishimoto, Atsushi Matsuoka, Toshiyuki Kurihara, Naoto Ishida and Shu Matsuura Forma, Vol. 24 (No. 3), pp. 87-92, 2009 [Abstract] | [Full text] (PDF 3.4 MB) | [Attractive image Fig.1, Fig.5, Fig.6] Review Systematic Study of Convex Pentagonal Tilings, II: Tilings by Convex Pentagons with Four Equal-length Edges Teruhisa Sugimoto and Tohru Ogawa Forma, Vol. 24 (No. 3), pp. 93-109, 2009 [Abstract] | [Full text] (PDF 2.1 MB) | [Attractive image Fig.3, Fig.5, Fig.9] Rectilinear Distance in Rotated Regular Point Patterns Masashi Miyagawa Forma, Vol. 24 (No. 3), pp. 111-116, 2009 [Abstract] | [Full text] (PDF 226 KB) | [Attractive image Fig.1] Properties of Nodes in Pentagonal Tilings Teruhisa Sugimoto and Tohru Ogawa Forma, Vol. 24 (No. 3), pp. 117-121, 2009 [Abstract] | [Full text] (PDF 235 KB) | [Attractive image Fig.1, Fig.2, Fig.4] Forum Nambu-Goldstone Mode and Spatiotemporal Chaos Yoshiki Hidaka and Shoichi Kai Forma, Vol. 24 (No. 3), pp. 123-125, 2009 [Abstract] | [Full text] (PDF 1.1 MB) | [Attractive image Fig.3(a)]