To provide an input device, a compound machine and an input control program capable of suppressing the wrong operation of an item newly displayed due to the display update.

For example, in a state in which an operator is bringing an input medium 33 closer to an input prediction position A1 in attempt to operate an item 32 related to a copy function, when an update to a division screen is performed, a MFP1 arranges the item 32 having the copy function in a left side region 34 including the input prediction position A1. In other words, a division screen is displayed to assign the copy function to the left side region 34 and a telephone function to a right side region 36.