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OPL programs for Psion

A menu-driven suite of programs for Psion organisers, featuring Intersection, Offset & Rotation of coordinate systems. Input can either be from the keypad or from a file of stations which can be edited from within the program.
opl versions of all subroutines in a winzip file
view text version of the subroutines combined into one file
hyperlinked version of all the subroutines