I using excel XP and i had this simple problem. Example : My Cell A1 contains this text "0.251mV". How can i write a formula in Cell B1 such that the "mV" is deleted and in B1 Cell it is in scientific numbers format? I had also values like 0.2dB and 10.5W blar blar blar.... I just want to extract out their numbers and put it in another cell using a formula. Pls Help.