Notes

/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package pbo1a223303;

/**
*
* @author ACER
*/
public class FrmTugas01 extends javax.swing.JFrame {
String bil="";
double jumlah,bil1,bil2;
int pilih;
/**
* Creates new form FrmTugas01
*/
public FrmTugas01() {
initComponents();
}

/**
* 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() {

jLabel1 = new javax.swing.JLabel();
txtlayar = new javax.swing.JTextField();
txt1 = new javax.swing.JButton();
txt2 = new javax.swing.JButton();
txt3 = new javax.swing.JButton();
txt4 = new javax.swing.JButton();
txt5 = new javax.swing.JButton();
txt6 = new javax.swing.JButton();
txt7 = new javax.swing.JButton();
txt8 = new javax.swing.JButton();
txt9 = new javax.swing.JButton();
txtClr = new javax.swing.JButton();
txt0 = new javax.swing.JButton();
txtKoma = new javax.swing.JButton();
txtTambah = new javax.swing.JButton();
txtKurang = new javax.swing.JButton();
txtKali = new javax.swing.JButton();
txtBagi = new javax.swing.JButton();
txtKuadrat = new javax.swing.JButton();
txtPangkat = new javax.swing.JButton();
txtAkar = new javax.swing.JButton();
txtJumlah = new javax.swing.JButton();
txtAkarkubik = new javax.swing.JButton();
txtSin = new javax.swing.JButton();
txtCos = new javax.swing.JButton();
txtTan = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();

jLabel1.setText("jLabel1");

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

txt1.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt1.setText("1");
txt1.setPreferredSize(new java.awt.Dimension(60, 60));
txt1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt1ActionPerformed(evt);
}
});

txt2.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt2.setText("2");
txt2.setPreferredSize(new java.awt.Dimension(60, 60));
txt2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt2ActionPerformed(evt);
}
});

txt3.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt3.setText("3");
txt3.setPreferredSize(new java.awt.Dimension(60, 60));
txt3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt3ActionPerformed(evt);
}
});

txt4.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt4.setText("4");
txt4.setPreferredSize(new java.awt.Dimension(60, 60));
txt4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt4ActionPerformed(evt);
}
});

txt5.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt5.setText("5");
txt5.setPreferredSize(new java.awt.Dimension(60, 60));
txt5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt5ActionPerformed(evt);
}
});

txt6.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt6.setText("6");
txt6.setPreferredSize(new java.awt.Dimension(60, 60));
txt6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt6ActionPerformed(evt);
}
});

txt7.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt7.setText("7");
txt7.setPreferredSize(new java.awt.Dimension(60, 60));
txt7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt7ActionPerformed(evt);
}
});

txt8.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt8.setText("9");
txt8.setPreferredSize(new java.awt.Dimension(60, 60));
txt8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt8ActionPerformed(evt);
}
});

txt9.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt9.setText("8");
txt9.setPreferredSize(new java.awt.Dimension(60, 60));
txt9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt9ActionPerformed(evt);
}
});

txtClr.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtClr.setText("c");
txtClr.setPreferredSize(new java.awt.Dimension(60, 60));
txtClr.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtClrActionPerformed(evt);
}
});

txt0.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txt0.setText("0");
txt0.setPreferredSize(new java.awt.Dimension(60, 60));
txt0.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txt0ActionPerformed(evt);
}
});

txtKoma.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtKoma.setText(".");
txtKoma.setPreferredSize(new java.awt.Dimension(60, 60));
txtKoma.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtKomaActionPerformed(evt);
}
});

txtTambah.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtTambah.setText("+");
txtTambah.setPreferredSize(new java.awt.Dimension(60, 60));
txtTambah.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtTambahActionPerformed(evt);
}
});

txtKurang.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtKurang.setText("-");
txtKurang.setPreferredSize(new java.awt.Dimension(60, 60));
txtKurang.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtKurangActionPerformed(evt);
}
});

txtKali.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtKali.setText("X");
txtKali.setPreferredSize(new java.awt.Dimension(60, 60));
txtKali.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtKaliActionPerformed(evt);
}
});

txtBagi.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtBagi.setText("/");
txtBagi.setPreferredSize(new java.awt.Dimension(60, 60));
txtBagi.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtBagiActionPerformed(evt);
}
});

txtKuadrat.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtKuadrat.setText("X²");
txtKuadrat.setPreferredSize(new java.awt.Dimension(60, 60));
txtKuadrat.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtKuadratActionPerformed(evt);
}
});

txtPangkat.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtPangkat.setText("Xˆ");
txtPangkat.setPreferredSize(new java.awt.Dimension(60, 60));
txtPangkat.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtPangkatActionPerformed(evt);
}
});

txtAkar.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtAkar.setText("√");
txtAkar.setPreferredSize(new java.awt.Dimension(60, 60));
txtAkar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtAkarActionPerformed(evt);
}
});

txtJumlah.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtJumlah.setText("=");
txtJumlah.setPreferredSize(new java.awt.Dimension(60, 60));
txtJumlah.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtJumlahActionPerformed(evt);
}
});

txtAkarkubik.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtAkarkubik.setText("³√");
txtAkarkubik.setPreferredSize(new java.awt.Dimension(60, 60));
txtAkarkubik.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtAkarkubikActionPerformed(evt);
}
});

txtSin.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtSin.setText("Sin");
txtSin.setPreferredSize(new java.awt.Dimension(60, 60));
txtSin.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtSinActionPerformed(evt);
}
});

txtCos.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtCos.setText("Cos");
txtCos.setPreferredSize(new java.awt.Dimension(60, 60));
txtCos.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtCosActionPerformed(evt);
}
});

txtTan.setFont(new java.awt.Font("Calibri", 0, 18)); // NOI18N
txtTan.setText("Tan");
txtTan.setPreferredSize(new java.awt.Dimension(60, 60));
txtTan.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtTanActionPerformed(evt);
}
});

jLabel2.setFont(new java.awt.Font("Times New Roman", 1, 11)); // NOI18N
jLabel2.setText("SCIENTIFIC CALCULATOR");

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(txtPangkat, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtAkar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(txtAkarkubik, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtCos, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(txtClr, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtTan, 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.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(txt7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txt9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txt8, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(txtBagi, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(txt0, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtKoma, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtJumlah, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(txtTambah, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(txt1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txt2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txt3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(txtKurang, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))))))
.addGroup(layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addComponent(txtKuadrat, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtSin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txt4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txt5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txt6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(txtKali, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(txtlayar, javax.swing.GroupLayout.PREFERRED_SIZE, 258, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(70, 70, 70)))))
.addContainerGap())
.addGroup(layout.createSequentialGroup()
.addGap(136, 136, 136)
.addComponent(jLabel2)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(60, 60, 60)
.addComponent(jLabel2)
.addGap(18, 18, 18)
.addComponent(txtlayar, javax.swing.GroupLayout.PREFERRED_SIZE, 54, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(35, 35, 35)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(txtBagi, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt8, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtAkar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtPangkat, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(txtKali, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtSin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtKuadrat, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(txtKurang, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtCos, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtAkarkubik, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(txtTambah, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txt0, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtKoma, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtJumlah, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtTan, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtClr, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

pack();
setLocationRelativeTo(null);
}// </editor-fold>

private void txtJumlahActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
switch(pilih){
case 1 :
bil2=Double.parseDouble(String.valueOf(txtlayar.getText()));
jumlah = bil1+bil2;
bil=Double.toString(jumlah);
break;
case 2 :
bil2=Double.parseDouble(String.valueOf(txtlayar.getText()));
jumlah = bil1 - bil2;
bil=Double.toString(jumlah);
break;
case 3 :
bil2=Double.parseDouble(String.valueOf(txtlayar.getText()));
jumlah = bil1 * bil2;
bil=Double.toString(jumlah);
break;
case 4 :
bil2=Double.parseDouble(String.valueOf(txtlayar.getText()));
jumlah = bil1 / bil2;
bil=Double.toString(jumlah);
break;
case 5 :
int y=1,jml;
bil2=Double.parseDouble(bil);
for (jml=1; jml<=bil2; jml++){
y= (int) (bil1 * y);
}
jumlah=y;
bil=Double.toString(jumlah);
break;
case 6:
bil2=Double.parseDouble(bil);
double hasin=Math.toRadians(bil2);
jumlah=Math.sin(bil2);
bil=Double.toString(jumlah);
break;
case 7:
bil2=Double.parseDouble(bil);
double hacos=Math.toRadians(bil2);
jumlah=Math.cos(bil2);
bil=Double.toString(jumlah);
break;
case 8:
bil2=Double.parseDouble(bil);
double hatan=Math.toRadians(bil2);
jumlah=Math.tan(bil2);
bil=Double.toString(jumlah);
break;
}

txtlayar.setText(bil);
}

private void txt1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="1";
txtlayar.setText(bil);
}

private void txt2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="2";
txtlayar.setText(bil);
}

private void txt3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="3";
txtlayar.setText(bil);
}

private void txt4ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="4";
txtlayar.setText(bil);
}

private void txt5ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="5";
txtlayar.setText(bil);
}

private void txt6ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="6";
txtlayar.setText(bil);
}

private void txt7ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="7";
txtlayar.setText(bil);
}

private void txt9ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="8";
txtlayar.setText(bil);
}

private void txt8ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="9";
txtlayar.setText(bil);
}

private void txt0ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +="0";
txtlayar.setText(bil);
}

private void txtTambahActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1 = Double.parseDouble(bil);
txtlayar.setText("+");
bil="";
pilih=1;

}

private void txtKurangActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1 = Double.parseDouble(bil);
txtlayar.setText("-");
bil="";
pilih=2;
}

private void txtKaliActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1 = Double.parseDouble(bil);
txtlayar.setText("x");
bil="";
pilih=3;
}

private void txtBagiActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1 = Double.parseDouble(bil);
txtlayar.setText("/");
bil="";
pilih=4;
}

private void txtKomaActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil +=".";
txtlayar.setText(bil);
}

private void txtClrActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
txtlayar.setText(null);
bil1=0.0;
bil2=0.0;
jumlah=0.0;
bil="";
}

private void txtKuadratActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1= Double.parseDouble(bil);
txtlayar.setText("^2");
bil="";
jumlah = bil1 * bil1;
bil=Double.toString(jumlah);
txtlayar.setText(bil);
}

private void txtPangkatActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1=Double.parseDouble(bil);
txtlayar.setText("^");
bil="";
pilih=5;
}

private void txtAkarActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1=Double.parseDouble(bil);
txtlayar.setText("√");
bil="";
jumlah=Math.sqrt(bil1);
bil=Double.toString(jumlah);
txtlayar.setText(bil);

}

private void txtAkarkubikActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bil1=Double.parseDouble(bil);
txtlayar.setText("³√");
bil="";
jumlah=Math.cbrt(bil1);
bil=Double.toString(jumlah);
txtlayar.setText(bil);
}

private void txtSinActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

txtlayar.setText("Sin");
bil="";
pilih=6;

}

private void txtCosActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
txtlayar.setText("Cos");
bil="";
pilih=7;
}

private void txtTanActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
txtlayar.setText("Tan");
bil="";
pilih=8;
}

/**
* @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(FrmTugas01.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(FrmTugas01.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(FrmTugas01.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(FrmTugas01.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 FrmTugas01().setVisible(true);
}
});
}

// Variables declaration - do not modify
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JButton txt0;
private javax.swing.JButton txt1;
private javax.swing.JButton txt2;
private javax.swing.JButton txt3;
private javax.swing.JButton txt4;
private javax.swing.JButton txt5;
private javax.swing.JButton txt6;
private javax.swing.JButton txt7;
private javax.swing.JButton txt8;
private javax.swing.JButton txt9;
private javax.swing.JButton txtAkar;
private javax.swing.JButton txtAkarkubik;
private javax.swing.JButton txtBagi;
private javax.swing.JButton txtClr;
private javax.swing.JButton txtCos;
private javax.swing.JButton txtJumlah;
private javax.swing.JButton txtKali;
private javax.swing.JButton txtKoma;
private javax.swing.JButton txtKuadrat;
private javax.swing.JButton txtKurang;
private javax.swing.JButton txtPangkat;
private javax.swing.JButton txtSin;
private javax.swing.JButton txtTambah;
private javax.swing.JButton txtTan;
private javax.swing.JTextField txtlayar;
// End of variables declaration
}