Study on the mathematical mode of mine workings advance direct cost, Optimal design and elect position of mine workings based on this mode. Search for the best economic benefit.

Based on the thorough study of quantitative comparison of CAPP multiple process planning, a mathematical method of quantitative technical-economic evaluation of CAPP system is deduced in this paper.

From the perspectives of economic decision and economic prediction, the paper makes a tentative study of the applications of higher mathematical theory to economic field with more examples.