《模拟科学计算器.doc

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Ca extends JFrame implements ActionListener { //*********************************************************************** //标准型计算器控件键钮 static JFrame f1 = new JFrame(计算器); private String KEYS[] = {7,8,9,/,sqrt,4,5,6,*,%, 1,2,3,-,1/x,0,+/-,.,+,=}; private String M[] = { ,MC,MR,MS,M+}; private String COM[] = {Backspace,CE,C}; private JButton keys[] = new JButton[KEYS.length]; private JButton com[] = new JButton[COM.length]; private JButton m[] = new JButton[M.length]; private JTextField result,hh,jj; MenuBar menubar1=new MenuBar(); Menu edit=new Menu(编辑(E)), view=new Menu(查看(V)), help=new Menu(帮助(H)); MenuItem copy=new MenuItem(复制(C)), paste=new MenuItem(粘贴(P)), standar=new MenuItem(标准型(T)), science=new MenuItem(科学型(S)), numgroup=new MenuItem(数字分组(I)), helpt=new MenuItem(帮助主题(H)), about=new MenuItem(关于计算器(A)); private boolean firstDigit = true; //判断第一个输入的字符是否是数字 private double resultNum = 0.0,resultNum2 = 0.0; //中间结果 private String operator = =,co,str,operator2 = =; private boolean operateValidFlag = true; //*********************************************************************** //科学性计算器控件及按钮 static JFrame f2 = new JFrame(科学计算器); private JTextField result2; private String[] KON = {sta,F-E,(,),MC,Ave,dms,Exp, In,MR,Sum,sin,x^y,log,MS,s,cos,x^3,n!, M+,Dat,tan,x^2,1/x,pi}; private String[] KO = {7,8,9,/,Mod,And, 4,5,6,*,Or,Xor, 1,2,3,-,Lsh,Not, 0,+/-,.,+,=,Int, A,B,C,D,E,F}; private String ITM[]={标准型,科学型,十六进制数(H) F5,十进制(D) F6, 八进制(O) F7,二进制(B) F8,四字(Q) F12,DWORD 值(R)F2,单字(W)F3,字节(Y) F4 ,数字分组(I)}; private final String[] COMM = {Backspace,CE,C}; private JButton comm[] = new JButton[COMM.length]; private JButton kon[] = new JButton[KON.length]; private JButton ko[] =