
		renanr0
		
		(usa Ubuntu)
		
		Enviado em 27/09/2013 - 15:24h 
		preciso que quando eu coloque um ponto e clique em ponto denovo  ele nao se repita tipo nao pode ficar 2..3, mas na minha fica e tambem quando vou fazer algum calculo por exemplo 6 + 6 exibe 12.0 como posso tirar isso?
package calculadora;
/**
 *
 * @author Renan
 */
public class Calc extends javax.swing.JFrame {
String temp;
    private String op = "";
    double num, rs;
    private boolean limpar = false;
    /**
     * Creates new form Calc
     */
    public Calc() {
        initComponents();
        setLocationRelativeTo(null);
    }
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {
        jB0 = new javax.swing.JButton();
        jBIgual = new javax.swing.JButton();
        jBadiçao = new javax.swing.JButton();
        jB1 = new javax.swing.JButton();
        jB2 = new javax.swing.JButton();
        jB3 = new javax.swing.JButton();
        jBsubtraçao = new javax.swing.JButton();
        jB4 = new javax.swing.JButton();
        jB5 = new javax.swing.JButton();
        jB6 = new javax.swing.JButton();
        jBmultiplicação = new javax.swing.JButton();
        jB7 = new javax.swing.JButton();
        jB8 = new javax.swing.JButton();
        jB9 = new javax.swing.JButton();
        jBdivisão = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTVisor = new javax.swing.JTextPane();
        jBC = new javax.swing.JButton();
        jBponto = new javax.swing.JButton();
        jBpotencia = new javax.swing.JButton();
        jBraiz = new javax.swing.JButton();
        jBbck = new javax.swing.JButton();
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Calculadora");
        jB0.setText("0");
        jB0.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB0ActionPerformed(evt);
            }
        });
        jBIgual.setText("=");
        jBIgual.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBIgualActionPerformed(evt);
            }
        });
        jBadiçao.setText("+");
        jBadiçao.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBadiçaoActionPerformed(evt);
            }
        });
        jB1.setText("1");
        jB1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB1ActionPerformed(evt);
            }
        });
        jB2.setText("2");
        jB2.setToolTipText("");
        jB2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB2ActionPerformed(evt);
            }
        });
        jB3.setText("3");
        jB3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB3ActionPerformed(evt);
            }
        });
        jBsubtraçao.setText("-");
        jBsubtraçao.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBsubtraçaoActionPerformed(evt);
            }
        });
        jB4.setText("4");
        jB4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB4ActionPerformed(evt);
            }
        });
        jB5.setText("5");
        jB5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB5ActionPerformed(evt);
            }
        });
        jB6.setText("6");
        jB6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB6ActionPerformed(evt);
            }
        });
        jBmultiplicação.setText("*");
        jBmultiplicação.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBmultiplicaçãoActionPerformed(evt);
            }
        });
        jB7.setText("7");
        jB7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB7ActionPerformed(evt);
            }
        });
        jB8.setText("8");
        jB8.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB8ActionPerformed(evt);
            }
        });
        jB9.setText("9");
        jB9.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jB9ActionPerformed(evt);
            }
        });
        jBdivisão.setText("/");
        jBdivisão.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBdivisãoActionPerformed(evt);
            }
        });
        jScrollPane1.setViewportView(jTVisor);
        jBC.setText("Limpar");
        jBC.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBCActionPerformed(evt);
            }
        });
        jBponto.setFont(new java.awt.Font("sansserif", 1, 12)); // NOI18N
        jBponto.setText(".");
        jBponto.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBpontoActionPerformed(evt);
            }
        });
        jBpotencia.setText("x²");
        jBpotencia.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBpotenciaActionPerformed(evt);
            }
        });
        jBraiz.setText("√");
        jBraiz.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBraizActionPerformed(evt);
            }
        });
        jBbck.setText("BCK");
        jBbck.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jBbckActionPerformed(evt);
            }
        });
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addComponent(jBC, javax.swing.GroupLayout.PREFERRED_SIZE, 161, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jBbck, javax.swing.GroupLayout.PREFERRED_SIZE, 161, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(layout.createSequentialGroup()
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(layout.createSequentialGroup()
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(layout.createSequentialGroup()
                                            .addComponent(jB1, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jB2, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
                                        .addGroup(layout.createSequentialGroup()
                                            .addComponent(jB0, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jBponto, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(layout.createSequentialGroup()
                                            .addComponent(jB3, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jBsubtraçao, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
                                        .addGroup(layout.createSequentialGroup()
                                            .addComponent(jBIgual, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jBadiçao, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jBraiz, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGroup(layout.createSequentialGroup()
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(layout.createSequentialGroup()
                                            .addComponent(jB7, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jB8, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jB9, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jBdivisão, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
                                        .addGroup(layout.createSequentialGroup()
                                            .addComponent(jB4, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jB5, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jB6, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(jBmultiplicação, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jBpotencia, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
                            .addGap(0, 0, Short.MAX_VALUE)))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jBC, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jBbck, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jB7, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jB8, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jB9, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jBdivisão, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(14, 14, 14)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jB4, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jB5, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jB6, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jBmultiplicação, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addComponent(jBpotencia, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jB1, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jB2, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jB3, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jBsubtraçao, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jB0, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jBponto, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jBadiçao, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jBIgual, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addComponent(jBraiz, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>                        
    private void jB7ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("7");
    }                                   
    private void jB1ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("1");
    }                                   
    private void jB0ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("0");
    }                                   
    private void jB2ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("2");
    }                                   
    private void jB3ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("3");
    }                                   
    private void jB4ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("4");
    }                                   
    private void jB5ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("5");
    }                                   
    private void jB6ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("6");
    }                                   
    private void jB8ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("8");
    }                                   
    private void jB9ActionPerformed(java.awt.event.ActionEvent evt) {                                    
        adnum("9");
    }                                   
    private void jBadiçaoActionPerformed(java.awt.event.ActionEvent evt) {                                         
        adOp("+");
    }                                        
    private void jBIgualActionPerformed(java.awt.event.ActionEvent evt) {                                        
        result();
    }                                       
    private void jBsubtraçaoActionPerformed(java.awt.event.ActionEvent evt) {                                            
        adOp("-");
    }                                           
    private void jBmultiplicaçãoActionPerformed(java.awt.event.ActionEvent evt) {                                                
        adOp("*");
    }                                               
    private void jBdivisãoActionPerformed(java.awt.event.ActionEvent evt) {                                          
        adOp("/");
    }                                         
    private void jBCActionPerformed(java.awt.event.ActionEvent evt) {                                    
        limpar();
    }                                   
    private void jBpontoActionPerformed(java.awt.event.ActionEvent evt) {                                        
        adnum(".");        // TODO add your handling code here:
    }                                       
    private void jBpotenciaActionPerformed(java.awt.event.ActionEvent evt) {                                           
    num = Double.parseDouble (jTVisor.getText());
    pot (num);
    jTVisor.setText (rs+"");
    
    }                                          
    private void jBraizActionPerformed(java.awt.event.ActionEvent evt) {                                       
           num = Double.parseDouble(jTVisor.getText());
           raiz (num);
           jTVisor.setText(rs+"");
    }                                      
    private void jBbckActionPerformed(java.awt.event.ActionEvent evt) {                                      
    temp = jTVisor.getText();
        if(temp.length() != 0){
        jTVisor.setText(temp.substring(0, temp.length()-1));
        temp = temp.substring(0, temp.length()-1);
}        // TODO add your handling code here:
    }                                     
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see 
http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Calc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Calc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Calc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Calc.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Calc().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify                     
    private javax.swing.JButton jB0;
    private javax.swing.JButton jB1;
    private javax.swing.JButton jB2;
    private javax.swing.JButton jB3;
    private javax.swing.JButton jB4;
    private javax.swing.JButton jB5;
    private javax.swing.JButton jB6;
    private javax.swing.JButton jB7;
    private javax.swing.JButton jB8;
    private javax.swing.JButton jB9;
    private javax.swing.JButton jBC;
    private javax.swing.JButton jBIgual;
    private javax.swing.JButton jBadiçao;
    private javax.swing.JButton jBbck;
    private javax.swing.JButton jBdivisão;
    private javax.swing.JButton jBmultiplicação;
    private javax.swing.JButton jBponto;
    private javax.swing.JButton jBpotencia;
    private javax.swing.JButton jBraiz;
    private javax.swing.JButton jBsubtraçao;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextPane jTVisor;
    // End of variables declaration                   
    private void adnum(String n1) {
        if (limpar) {
            jTVisor.setText("");
            limpar = false;
        }
        String tempS = jTVisor.getText();
        tempS = tempS + n1;
        jTVisor.setText(tempS);
    }
    private void adOp(String op) {
        result();
        limpar = true;
        this.op = op;
    }
    private void limpar() {
        jTVisor.setText("");
        num = 0;
        temp = "0";
        op = "";
    }
    private void result() {
        temp = jTVisor.getText();
        switch (op) {
            case "+":
                
                num = somar( num , Double.parseDouble(temp));
                break;
            case "-":
                num = subtr(num,Double.parseDouble(temp));
                break;
            case "*":
                num = multi(num, Double.parseDouble(temp));
                break;
            case "/":
                num = divid(num, Double.parseDouble(temp));
                break;
            default:
                num = Double.parseDouble(temp);
        }
       jTVisor.setText(num + "");
    }
    private double somar(double num, double temp) {
        return num + temp;
    }
    private double subtr(double num, double temp) {
        return num - temp;
    }
    private double multi(double num, double temp) {
        return num * temp;
    }
    private double divid(double num, double temp) {
        return num / temp;
    }
    private double raiz (double num){
    rs = Math.sqrt(num);
    return rs;
    }
    private double pot(double num){
    rs = num * num;
    return rs;
    }
}