描述ECC（椭圆曲线密码学）的一些功能。在VC企业版开发环境下。-Descr iption of ECC (Elliptic Curve Cryptography) some of the features. In the VC Enterprise Edition development environment.

巴特沃思，切比雪夫1型，椭圆模拟滤波器原型的设计代码，每一种滤波器的幅频响应响应曲线-Butterworth, chebyshev type 1, elliptical analog filter prototype design code, the amplitude frequency response of each kind of filter response curve

椭圆曲线加密算法，看是否能构成椭圆，找到对称点等-Elliptic curve encryption algorithm to see if it can constitute an oval, find symmetry and so on