Your are not bying a Apache Open Office license. You buy a so called development unit. With such units you make sure the ongoing effort to port new versions to OS/2 is saved. Apache Open Office for OS/2 and OS/2 based systems is compatible with other major office suites and you get: Writer Calc Impress Draw Base Math
Textbuch ('text book') is a double entry book keeping program (accounting program) only in german language.