title: issue with float increment in Android
body: <p>I am trying to increment value of float by 0.1 every time. But i am getting very strange result some time.</p>
  
  <pre><code>float kmVal = 0.0f;    
  EditText kms = (EditText) findViewById(R.id.km);
  kmVal = Float.valueOf(kms.getText().toString()); 
  </code></pre>
  
  <p>On Click of button I am incrementing the value.</p>
  
  <pre><code>kmVal += 0.1;
  kms.setText(String.valueOf(kmVal));
  </code></pre>
  
  <p><strong>LOG :-</strong></p>
  
  <pre><code>06-24 13:16:21.644: I/System.out(958): Value ==0.1
  06-24 13:16:21.644: I/System.out(958): String Value ==0.1
  06-24 13:16:21.886: D/SntpClient(61): request time failed: java.net.SocketException: Address family not supported by protocol
  06-24 13:16:22.145: I/System.out(958): Value ==0.2
  06-24 13:16:22.145: I/System.out(958): String Value ==0.2
  06-24 13:16:22.384: I/System.out(958): Value ==0.3
  06-24 13:16:22.384: I/System.out(958): String Value ==0.3
  06-24 13:16:22.484: I/System.out(958): Value ==0.4
  06-24 13:16:22.484: I/System.out(958): String Value ==0.4
  06-24 13:16:22.684: I/System.out(958): Value ==0.5
  06-24 13:16:22.684: I/System.out(958): String Value ==0.5
  06-24 13:16:22.868: I/System.out(958): Value ==0.6
  06-24 13:16:22.874: I/System.out(958): String Value ==0.6
  06-24 13:16:23.056: I/System.out(958): Value ==0.70000005
  06-24 13:16:23.064: I/System.out(958): String Value ==0.70000005
  06-24 13:16:23.884: I/System.out(958): Value ==0.8000001
  06-24 13:16:23.884: I/System.out(958): String Value ==0.8000001
  06-24 13:16:23.964: D/dalvikvm(353): GC_EXPLICIT freed 7K, 44% free 3532K/6279K, external 716K/1038K, paused 106ms
  06-24 13:16:24.536: I/System.out(958): Value ==0.9000001
  06-24 13:16:24.536: I/System.out(958): String Value ==0.9000001
  </code></pre>
  
  <p>As you can see from the log that the value upto 0.6 are ok but after that its adding extra digits that i don't want. I don't know why i am getting such result. If anyone has any idea please kindly help.</p>
  
  <p>Thanks</p>