How to controll the decimal (trailing)units in PADS ??

Hi everyone,

Let me explain any one how to control the decimal place in PADS Layout.For example (100.00mil or 2.540mm) maintain in allegro (mil or MM ) but i worked across the pads l never seen like that even i worked lot of boards some time decimal units varying

i need to maintain same decimal (Trailing )units in all the board should be same