Journal of Mathematical and Fundamental Sciences, ISSN: 2337-5760, E-ISSN: 2338-5510 Welcomes full research articles in the area of Mathematics and Natural Sciences from the following subject areas: Chemistry, Astronomy, Biology, Agricultural Sciences, Health Sciences, Biochemistry, Earth Science, Mathematics, Statistics, Medical Science, and Physics. Starting from Vol. 1, No. 1, 1961, full articles published are available online at ITB Journal and indexed by Scopus, Index Copernicus, Google Scholar, Directory of Open Access Journals, getCITED, NewJour, Open J-Gate, The Elektronische Zeitschriftenbibliothek EZB by University Library of Regensburg, and EBSCO Open Science Directory.              Journal Vol. 35A No. 2, 2003   1. Bergenin, Suatu Dihidroisokumarin dari Kayu dan Kulit Batang Shorea stenoptera Burck, Euis Holisotan Hakim, Rudiyansyah, Iqbal Musthapa & Koichi Takeya 2. Pengaruh Jenis Poliol terhadap Pembentukan Poliuretan dari Monomer PEG400 dan MDI, Eli Rohaeti, N. M. Surdia, Cynthia L. Radiman & E. Ratnaningsih 3. Analisis Dinamik Tegasan Purba pada Satuan Batuan Paleogen – Neogen di Daerah Pacitan dan Sekitarnya, Provinsi Jawa Timur Ditinjau dari Studi Sesar Minor dan Kekar Tektonik, C. I. Abdullah, N. A. Magetsari & H. S. Purwanto 4. Model Elemen Hingga Non Linier untuk Karakterisasi Panel Dinding Bata Pengisi terhadap Gaya Lateral Siklik, B. Budiono, Herwani 5.