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Engineering unit of measure is based on natural or physical units of measurement expressed in the sub-projects or the number of structural components of the project. Correct volume calculations, and its significance in the following three main areas: 1, project valuation to the fundamental basis of the project, therefore, an accurate calculation works or not, a direct impact on the accuracy of project cost, as well as investment projects to control . 2, the project is the construction of the preparation of construction enterprises operating plan, the progress of reasonable arrangement, organization at the scene of labor, materials, as well as an important basis for machinery. 3, the project is the construction project the image of the preparation of the progress of business statistics to project investors clearing price of an important basis for the project.
With the construction of information technology development and the rapid popularization of computers, is no longer the need to balance the volume of a large number of manual and computerized project cost and therefore has become the inevitable trend. Quantity does not mean that the software completely abandoned the idea of the volume of manual counting. In fact, the software is to manually count the amount of thinking completely built-in software to process only the use of software, have to rely on the calculation of the deduction rules, the use of computer tools for the rapid and highly efficient operation and complete the project to calculate the amount of so that everyone back from the cumbersome rules out formula, relieved by the calculator. This article will be considered in the software of some of the skills and the volume of the problems encountered.