In this paper the author tries to define the fundamental characteristics of the relationship between Islam and the natural sciences. At first he deals with the influence of Islam on the development of contemporary mathematics, particulary geometry. The author follows the historical development of mathematics in Europe starting with the Greek and Roman beginning. The works of Arab mathematicians have given mathematics several fundamental terms. To them we owe the introduction of the Indian written form for numbers from zero to ten. The second part elaborates some points of the problem of the concept of God within the context of "negative theology", as related to some simple geometrical concepts. Finally the author wonders how much are the re...