Having found some deficiencies in the present finance software which are not in accordance with the requirements in Accounting System for Business Enterprise,the writer makes some brief analysis and explanations on mistakes and deficiencies of the figure selection formula of the balance sheet exiting in the finance software and puts forward some concrete ways of improvement.

Research on mathematical formulas extraction from printed document based on neural network;

An approach that contains both Parzen windows and heuristic rules for mathematical formulas extraction is proposed.

Mathematical formula extraction method from printed document based on fuzzy classification;

This includes three components: formula extraction, formula identification and formula structure reconfiguration.

By giving examples,the text discusses the application of Excel array formula in teachers information management,and proves that we can improve the work efficiency markedly by array formula.

From the respects of data fountain, stat item setting up, formula importing and glozing, the paper introduces how to use Excel array formula to deal with students achievement, realize automation and dynamic statistic.