此程序通过用0-9、*、#、%等各种键盘上的符号输出W形的图形，其关键在于对数学中直线的运用。-this procedure by using 0-9 ,*,#,% various symbols on a keyboard output W-shaped graphics, the key lies in the mathematics of linear use.

VC做的曲线控制图（带Lib)，适合数学/工业应用-VC done curve control chart (with the Lib), suitable for Mathematics / industrial applications

贝塞尔曲线.求各阶贝塞尔函数的c程序，供物理数学学生参考-Seeking the order Bessel function of the c program for students of physics and mathematics