中文说明：
计算机演算程序，平方映射分岔的Qbasic计算程序，平方映射的李雅普诺夫的Qbasic计算程序，．埃侬吸引子的李雅普诺夫指数的Qbasic计算程序，．单摆运动的分岔的Qbasic计算程序
English Description：
Computer calculus program, QBASIC calculation program for square mapping bifurcation, QBASIC calculation program for Lyapunov exponent of square mapping, QBASIC calculation program for Lyapunov exponent of enon attractor, QBASIC calculation program for bifurcation of simple pendulum motion