Apple

set firstWord to "åæçœøπxnchdgrtsjdlvmfqq12345"

set charList to characters of firstWord

repeat with i from 1 to (count items of charList)

set charID to id of (item i of charList)

if (96 < charID) and (charID < 123) then

set charID to (charID - 32)

set item i of charList to (character id charID)

else if (223 < charID) and (charID < 254) then

set charID to (charID - 32)

set item i of charList to (character id charID)

else if (255 < charID) and (charID < 376) then

if (charID mod 2) = 1 then

set charID to (charID - 1)

set item i of charList to (character id charID)

end if

end repeat

set firstWord to charList as text

log firstWord

Notice that "π" does not capitalize. There are more blocks in the unicode table that contain other upper/lower case pairs, so the script needs more else blocks. Have fun!

References:
	>Manipulating text (From: Jim Brandt <email@hidden>)