Help:

1. On PC, use ' Ctrl + V ' to paste your sequence to upper text field. (On Mac, use ' command key + V ' )
2. Click on the button which function you want this program to perform.
3. The lower pink text field is the output sequence. On PC, you can select the result, then use " Ctrl + C" to copy down the result. ( On Mac, use ' command key + C ' )