calculated.java: (this has to command to show the calculated.xml layout)
public class Calculated extends Activity {
public void onCreate(Bundle savedIns
To send the data from one activity to another activity
MainActivity.java is first activity from where you want to send data to another activity.
Intent myIntent = new Intent(view.getContext(), Calculated.class);
myIntent.putExtra("text", text);
startActivity(myIntent);
Calculated.java is second activity which receive the intent data whatever you pass from MainActivity.java
String text = myIntent.getStringExtra("text");
TextView textView = (TextView)findViewById(R.id.textView1);
textView.setText(text);