Hi ! anyone knows about folding process .... because i can't do this process ..... i have one textbox where i type the key values ... Ex: 1234567890 <--- this is the key values ........ the next textbox where i type the folding process... Ex: 1st + 2nd + 3rd4th + 5th + 6th + 7th8th9th + 10th <---this is the folding process ..... the answer is ... "837" ...... there's to many possible proces that can be used ..... like: "1st2nd3rd4th + 5th + 6th + 7th8th9th + 10th" & "1st + 2nd + 3rd4th + 5th + 6th + 7th + 8th + 9th + 10th" & "1st2nd3rd4th5th6th + 7th8th9th10th" and so on and so fort .... what is the best code for this ....... Thank You !