用VBA解决方程求根的问题的数值方法的代码。可以在求解、求极值的时候运用。-Using VBA to solve the root solving problem, in numerical methods.

运用插值方法求证券价格的代码，用VBA编写，可以根据需要调整表格中的参数。-Using interpolation to get the expectation of the security s price. VBA code, numerical methods.

This a suite of tools to solve automatic numerical differentiation problems in one or more variables. All of these methods also produce error estimates on the result. A pdf file is also provided to explain the theory behind these tools.Author: John