VB版高级功能计算器，除了具有数学运算外，还包括三角函数、反三角函数、双曲三角函数、绝对值等运算，还可以进行一些比较复杂的表达式计算，比如 ln e + rnd(2) + 3(2)4 * (log(tan (itan 1))) 等。-VB version of the advanced features of the calculator, in addition to mathematical operations, including trigonometric, inverse trigo

VB高级计算器源码，包含四则运算和几十种函数的运算，还包含函数图形的绘制。-This is cool and powerful function uator. This uator can uate any function, support complex numbers, contain own programming language so you can make your own functions, can detect sintax errors, errors in inp