GPrinter,Printer variables
VBottomEdge%,Bottom edge of printable area of paper
VFeatures%,Printers features word
VHalftoneX%,Printers X halftone resolution
VHalftoneY%,Printers Y halftone resolution
VLeftEdge%,Left edge of printable area of paper
VPageSizeX%,Printers page size X
VPageSizeY%,Printers page size Y
VPrinter$,Printer description
VResolutionX%,Printers X resolution
VResolutionY%,Printers Y resolution
VRightEdge%,Right edge of printable area of paper
VTopEdge%,Top edge of printable area of paper
GScreen,Screen variables
VCharacterHeight%,Height of character in OS units
VCharacterWidth%,Height of character in OS units
VColours%,Colours in current mode
VHeight%,Current screen height in OS units
VWidth%,Current screen width in OS units
GSystem,System variables
VPath$,Program path