This calculator is intended as a tool for calculating various reflections, when the result deduced thought to the question "How much is in the numbers?", And not to wait for "come home, then considered to be", and immediately, transport to get the calculator and count. Waiting time and especially the fact that more than routine is "small things" in the form of formulas, the substituted values in them takes a long time of life. To always know the market price of energy "than profitable to heat / burn / heat." Or, for example, came to buy a certain number of meters of metal rolled stock, and how much it will be, by weight, in order to know what kind of transport to order, how much it will cost. Or choose to do some cooking dish, and knowing the components of the recipe and the price, we considered how much it would cost you one piece. And many other features.
Calculator greater for those who like to think, to do, to realize their ideas, from children to the older generation. Tensile reflection is not provided therein, as well as the nature of things.
This software will be a good gift for your family, who live in science and technology. One dollar for convenience, time-saving features and it is not expensive. On knowledge is impossible to save, especially on knowledge of children.