The importance of mathematics in engineering cost specialty is self-evident. First of all, the core of project cost is the prediction and control of project cost, which requires a lot of mathematical knowledge. For example, we need to predict the project cost through mathematical model, including material cost, labor cost, equipment cost and so on. The establishment and solution of these models need to apply mathematical theories such as linear algebra, calculus and probability theory.

Secondly, the calculation of project cost will also involve a lot of mathematical operations. For example, we need to average all kinds of costs to get the total cost; We also need to discount the cost to consider the influence of time value. These operations require applied mathematical knowledge.

In addition, mathematical knowledge is also needed in the decision-making process of project cost. For example, we need to determine the optimal construction scheme through mathematical methods to achieve cost optimization. This needs to be applied to optimization theory, decision theory and other mathematical knowledge.

Finally, a lot of mathematical methods will be involved in the project cost analysis. For example, we need to analyze the changing trend of cost through statistical analysis, so as to predict and control; We also need to study the relationship between cost and other factors through regression analysis to facilitate our decision-making.

Generally speaking, mathematics plays a vital role in engineering cost specialty. It can not only help us accurately predict and control costs, but also help us make effective decisions and analysis. Therefore, it is very important for students majoring in engineering cost to master solid mathematical knowledge.