Mathematics - the science of quantitative relations and spatial forms of the real world. In close connection with demands of technology and science supply quantitative relations and spatial forms, which is studying math, is constantly expanding, so this is a common definition of mathematics is filled with all the rich content. A clear understanding of the independent status of mathematics as a special science became possible only after the accumulation of large enough factual material and first appeared in ancient Greece. Development of mathematics up to that time naturally attributed to the period of inception of mathematics. During these first two periods of mathematical research deal almost exclusively with very limited stock of basic concepts that have arisen even in the very early stages of historical development in connection with the most simple requests of economic life. The first task of mechanics and physics could still be met by the same margin of the basic mathematical concepts. In 17th century new demands of science and technology forcing mathematicians to focus on creating methods to mathematically study the motion, the process of changing variables, transformations of geometric figures. With the use of variables in analytic geometry and the establishment of differential and integral calculus begins during math variables. Further extension of the quantitative relations and spatial forms, he studied mathematics, has resulted in the early 19 century. The need to treat the process of expanding the object of mathematical research deliberately setting himself the task of a systematic study with a rather general point of view of the possible types of quantitative relations and spatial forms. more info >>

As a science, astronomy is based primarily on observations. Unlike physicists, astronomers are unable to make experiments. Virtually all information about celestial bodies brings us to the electromagnetic radiation. Only in the last forty years separate worlds began to study directly: to probe the atmosphere of planets, to study the lunar and Martian soil. Astronomy is closely related to other sciences, primarily physics and mathematics, whose methods are widely used in it. But astronomy is an indispensable testing ground, which tested many of the physical theory. Space - the only place where the substance exists at temperatures of hundreds of millions of degrees, and almost at absolute zero, the vacuum in vacuum and in neutron stars. In recent years, the achievement of astronomy began to be used in geology and biology, geography and history. more info >>

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Do you know what a prime number is already? Lucky for you, this site is not just about what prime numbers are, but what significance they have and how they can actually be practical. You may already know that a prime number is a number that can only be divided (evenly) by itself and one; for example seven. But did you know that there is no end to prime numbers? Even with a trillion digits, there are numbers out there that are so enormous that we cannot begin to comprehend them, yet they are only divisible by themselves and one! There is much to learn about prime numbers, so come learn it here! more info >>

A wide range of mathematics and engineering calculators for both mobile phones and PCs. We have a unique set of applications in matrices, algebra, calculus, differntial equations, scientific calculations, and plot graphs. We also have applications dedicated for engineering design and research. The user is allowd the chance to in put the problem requirewments and then he gets the steps for solving such problem. We also have smart applications that can solve differential equations symbolically. The users inputs the differential equation in symbolic format and he gets the solution also in symbolic format. We have, for example, engineering calculators that solve digital signal processing design problems for the user. more info >>