VB 编写的科学型计算器源码，其中也包括标准版，标准版完成基本的数学运算，科学版功能就多了，可完成平方、立方、正余弦等运算。-VB source code written in scientific calculator, including Standard Edition, Standard Edition complete basic math, science version features the more, to be completed by the square, cube, etc. cosine operations.