How do you use the trade currency tool on roblox

Okay , This is an easy one. First you logon into your account. Then you click my robloc. Then you rite down the ammount of Tix. and Robux. the on the same line as My Roblox towrds the end is a button named Curence. Click that. then there wil be a space were it says Robux-Tix Or Tix-Robux. click wat u want to trade then below that it will give you your estimaded ammount. then click trade. ( if a pop up come up click OK ) then your done. Happy spending ^_^