Deposit 1.0.1
When the mouse pointer is over deposit, it will show you how much experience you'll remain with and how much will go in the XP Holder
Interface 1.0.1
The XP Holder interface
Withdraw 1.0.1
When the mouse pointer is over withdraw, it will show you how much the Withdraw costs, the experience you'll get with and how much will remain in XP Holder.