Need for extra module

- A.K.Karthikeyan

With version 2007-06-01 , an length conversion module has been added. There are some refinements left in Basic Math module. Furture version must be uploaded with advance math module.

Need for new module

Module 7 :

A module for vector computation must be included. It must calculate curl, divegence unit vector, gradian of a given one or two vectors.

Its adviasable to define a class called vector and use vector as an object, so that others can reuse our code.