Numbers to letters

[taba]

Hello,
when ms excel is launched on my computer and if i want to insert a decimal number, it put the letter P instad of a dot(point) example if i enter 2.25 in the cell it will become 2P25. even the calculator on the computer does the same thing
can someone help me fix these. thanks

 

[hang-the-9]

Are you using a laptop? Check for numlock being on or off, turn it to the other way. Also check the language settings for the keyboard and type of keyboard.