CALCULADORA

public class Operaciones {
static double resul;
public Operaciones(){
resul = 0;
}

public static double seno(double x){
resul = Math.sin(x);
return resul;
}

public static double coseno(double x){
resul = Math.cos(x);
return resul;
}

public static double tangente(double x){
resul = Math.tan(x);
return resul;
}

public static double logaritmo(double x){
if(x==0){
System.out.println("SOLO VALORES MAYORES A CERO");
resul = 0;
}else{
resul = Math.log(x);
}
return resul;
}

public static double suma(double x, double y){
resul = x+y;
return resul;
}

public static double resta(double x, double y){
resul = x-y;
return resul;
}

public static double multiplicacion(double x, double y){
resul = x*y;
return resul;
}

public static double division(double x, double y){
resul = x/y;
return resul;
}
}

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.coseno(r);
jTextArea1.setText("El coseno es :\n "+r);
aux = "";
jTextField1.setText(aux);
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.seno(r);
jTextArea1.setText("El seno es :\n "+r);
aux = "";
jTextField1.setText(aux);
}
private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 1;
jTextField1.setText(aux);
}
private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
aux += 2;
jTextField1.setText(aux);
}
private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 3;
jTextField1.setText(aux);
}
private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 4;
jTextField1.setText(aux);
}
private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 5;
jTextField1.setText(aux);
}
private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 6;
jTextField1.setText(aux);
}
private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 7;
jTextField1.setText(aux);
}
private void jButton13ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 8;
jTextField1.setText(aux);
}
private void jButton14ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 9;
jTextField1.setText(aux);
}
private void jButton15ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 0;
jTextField1.setText(aux);
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.tangente(r);
jTextArea1.setText("La tangente es :\n "+r);
aux = "";
jTextField1.setText(aux);
}
private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.logaritmo(r);
jTextArea1.setText("El logaritmo es :\n "+r);
aux = "";
jTextField1.setText(aux);
}
private void jButton16ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "+";
aux="";
jTextField1.setText("");
}
private void jButton17ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "-";
aux="";
jTextField1.setText("");
}
private void jButton19ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "*";
aux="";
jTextField1.setText("");
}
private void jButton20ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "/";
aux="";
jTextField1.setText("");
}
private void jButton21ActionPerformed(java.awt.event.ActionEvent evt) {
if(aux2 == "+"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La suma es: \n" +Operaciones.suma(x, r));
}

if(aux2 == "-"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La resta es:\n" +Operaciones.resta(x,r));
}

if(aux2 == "*"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La multiplicacion es:\n" +Operaciones.multiplicacion(x, r));
}

if(aux2 == "/"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La division es:\n" +Operaciones.division(x,r));
}
}
private void jButton22ActionPerformed(java.awt.event.ActionEvent evt) {
aux="";
jTextField1.setText("");
}
public String aux = "";
public String aux2 = "";
double x;
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton10;
private javax.swing.JButton jButton11;
private javax.swing.JButton jButton12;
private javax.swing.JButton jButton13;
private javax.swing.JButton jButton14;
private javax.swing.JButton jButton15;
private javax.swing.JButton jButton16;
private javax.swing.JButton jButton17;
private javax.swing.JButton jButton19;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton20;
private javax.swing.JButton jButton21;
private javax.swing.JButton jButton22;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JButton jButton7;
private javax.swing.JButton jButton8;
private javax.swing.JButton jButton9;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
private javax.swing.JTextField jTextField1;
// End of variables declaration
}