Simplify the following text for a Grade 8 native English-speaking person.
Original: Just like the entire OpenOffice.org package , Calc can be used on many operating systems , including Mac OS X , Microsoft Windows , Linux , FreeBSD and Solaris .
Simplified: As with the entire OpenOffice.org suite , Calc can be used across a variety of platforms , including Mac OS X , Microsoft Windows , Linux , FreeBSD and Solaris .